docs: code highlighting and spacing (#3656)

`taskdef-overrides.md` has different changes (spacing) than the rest that are fixing/removing code highlighting.

Current:
![Screen Shot 2022-06-10 at 16 13 22](https://user-images.githubusercontent.com/10566468/173161505-ffef9592-b072-4a0d-b312-64a7f62f6ed2.png)


New:
![Screen Shot 2022-06-10 at 16 13 28](https://user-images.githubusercontent.com/10566468/173161547-e34f01c8-72af-4bcc-84f6-1a4b77258034.png)



By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the Apache 2.0 License.

site/content/docs/commands/app-delete.en.md

@@ -1,5 +1,5 @@
 # app delete
-```bash
+```console
 $ copilot app delete [flags]
 ```
 
@@ -9,13 +9,13 @@ $ copilot app delete [flags]
 
 ## What are the flags?
 
-```bash
+```
 -h, --help                          help for delete
     --yes                           Skips confirmation prompt.
 ```
 
 ## Examples
 Force delete the application.
-```bash
+```console
 $ copilot app delete --yes 
 ```

site/content/docs/commands/app-delete.ja.md

@@ -1,5 +1,5 @@
 # app delete
-```bash
+```console
 $ copilot app delete [flags]
 ```
 
@@ -9,13 +9,13 @@ $ copilot app delete [flags]
 
 ## フラグ
 
-```bash
+```
 -h, --help                          help for delete
     --yes                           Skips confirmation prompt.
 ```
 
 ## 実行例
 Application を強制的に削除します。
-```bash
+```console
 $ copilot app delete --yes 
 ```

site/content/docs/commands/app-init.en.md

@@ -1,5 +1,5 @@
 # app init
-```bash
+```console
 $ copilot app init [name] [flags]
 ```
 
@@ -12,7 +12,7 @@ Typically, you don't need to run `app init` (`init` does all the same work) unle
 
 ## What are the flags?
 Like all commands in the Copilot CLI, if you don't provide required flags, we'll prompt you for all the information we need to get you going. You can skip the prompts by providing information via flags:
-```bash
+```
       --domain string                  Optional. Your existing custom domain name.
   -h, --help                           help for init
       --resource-tags stringToString   Optional. Labels with a key and value separated by commas.
@@ -25,15 +25,15 @@ For example: `copilot app init --resource-tags department=MyDept,team=MyTeam`
 
 ## Examples
 Create a new application named "my-app".
-```bash
+```console
 $ copilot app init my-app
 ```
 Create a new application with an existing domain name in Amazon Route53.
-```bash
+```console
 $ copilot app init --domain example.com
 ```
 Create a new application with resource tags.
-```bash
+```console
 $ copilot app init --resource-tags department=MyDept,team=MyTeam
 ```
 ## What does it look like?

site/content/docs/commands/app-init.ja.md

@@ -1,5 +1,5 @@
 # app init
-```bash
+```console
 $ copilot app init [name] [flags]
 ```
 
@@ -14,7 +14,7 @@ $ copilot app init [name] [flags]
 ## フラグ
 Copilot CLI における全てのコマンドと同じ様に、必要なフラグを指定しなかった場合、必要な情報を全て入力する様に求められます。
 フラグを指定して情報を指定すると、プロンプトをスキップできます。
-```bash
+```
       --domain string                  Optional. Your existing custom domain name.
   -h, --help                           help for init
       --resource-tags stringToString   Optional. Labels with a key and value separated by commas.
@@ -29,15 +29,15 @@ Copilot CLI における全てのコマンドと同じ様に、必要なフラ
 
 ## 実行例
 "my-app"という名前の新しい Application を作成します。
-```bash
+```console
 $ copilot app init my-app
 ```
 Route 53 に登録済みの既存ドメイン名を利用して新しい Application を作成します。
-```bash
+```console
 $ copilot app init --domain example.com
 ```
 リソースタグを指定して新しい Application を作成します。
-```bash
+```console
 $ copilot app init --resource-tags department=MyDept,team=MyTeam
 ```
 ## 出力例

site/content/docs/commands/app-ls.en.md

@@ -1,5 +1,5 @@
 # app ls
-```bash
+```console
 $ copilot app ls [flags]
 ```
 
@@ -9,13 +9,13 @@ $ copilot app ls [flags]
 
 ## What are the flags?
 
-```bash
+```
 -h, --help             help for ls
 ```
 
 ## Examples
 List all the applications in your account and region.
-```bash
+```console
 $ copilot app ls
 ```
 

site/content/docs/commands/app-ls.ja.md

@@ -1,5 +1,5 @@
 # app ls
-```bash
+```console
 $ copilot app ls [flags]
 ```
 
@@ -9,13 +9,13 @@ $ copilot app ls [flags]
 
 ## フラグ
 
-```bash
+```
 -h, --help             help for ls
 ```
 
 ## 実行例
 AWS アカウント、リージョンにある全ての Application を一覧表示します。
-```bash
+```console
 $ copilot app ls
 ```
 

site/content/docs/commands/app-show.en.md

@@ -1,5 +1,5 @@
 # app show
-```bash
+```console
 $ copilot app show [flags]
 ```
 
@@ -9,15 +9,15 @@ $ copilot app show [flags]
 
 ## What are the flags?
 
-```bash
+```
 -h, --help          help for show
     --json          Optional. Outputs in JSON format.
 -n, --name string   Name of the application.
 ```
 
 ## Examples
 Shows info about the application "my-app".
-```bash
+```console
 $ copilot app show -n my-app
 ```
 

site/content/docs/commands/app-show.ja.md

@@ -1,5 +1,5 @@
 # app show
-```bash
+```console
 $ copilot app show [flags]
 ```
 
@@ -9,15 +9,15 @@ $ copilot app show [flags]
 
 ## フラグ
 
-```bash
+```
 -h, --help          help for show
     --json          Optional. Outputs in JSON format.
 -n, --name string   Name of the application.
 ```
 
 ## 実行例
 "my-app"という Application に関する情報を出力します。
-```bash
+```console
 $ copilot app show -n my-app
 ```
 

site/content/docs/commands/app-upgrade.en.md

@@ -1,5 +1,5 @@
 # app upgrade
-```bash
+```console
 $ copilot app upgrade [flags]
 ```
 
@@ -9,13 +9,13 @@ $ copilot app upgrade [flags]
 
 ## What are the flags?
 
-```bash
+```
 -h, --help          help for upgrade
 -n, --name string   Name of the application.
 ```
 
 ## Examples
 Upgrade the application "my-app" to the latest version
-```bash
+```console
 $ copilot app upgrade -n my-app
 ```

site/content/docs/commands/app-upgrade.ja.md

@@ -1,5 +1,5 @@
 # app upgrade
-```bash
+```console
 $ copilot app upgrade [flags]
 ```
 
@@ -9,13 +9,13 @@ $ copilot app upgrade [flags]
 
 ## フラグ
 
-```bash
+```
 -h, --help          help for upgrade
 -n, --name string   Name of the application.
 ```
 
 ## 実行例
 Application "my-app" を最新バージョンにアップグレードします。
-```bash
+```console
 $ copilot app upgrade -n my-app
 ```

site/content/docs/commands/completion.en.md

@@ -1,5 +1,5 @@
 # completion
-```
+```console
 $ copilot completion [shell] [flags]
 ```
 
@@ -9,30 +9,30 @@ $ copilot completion [shell] [flags]
 See the help menu for instructions on how to setup auto-completion for your respective shell.
 
 ## What are the flags?
-```bash
+```
 -h, --help   help for completion
 ```
 
 ## Examples
 Install zsh completion.
-```bash
+```console
 $ source <(copilot completion zsh)
 $ copilot completion zsh > "${fpath[1]}/_copilot" # to autoload on startup
 ```
 Install bash completion on macOS using homebrew.
-```bash
+```console
 $ brew install bash-completion   # if running 3.2
 $ brew install bash-completion@2 # if running Bash 4.1+
 $ copilot completion bash > /usr/local/etc/bash_completion.d
 ```
 Install bash completion on linux
-```bash
+```console
 $ source <(copilot completion bash)
 $ copilot completion bash > copilot.sh
 $ sudo mv copilot.sh /etc/bash_completion.d/copilot
 ```
 Install fish completion on linux
-```bash
+```console
 $ source <(copilot completion fish)
 $ copilot completion fish > ~/.config/fish/completions/copilot.fish
 ```

site/content/docs/commands/completion.ja.md

@@ -1,5 +1,5 @@
 # completion
-```
+```console
 $ copilot completion [shell] [flags]
 ```
 
@@ -9,30 +9,30 @@ $ copilot completion [shell] [flags]
 それぞれのシェルで自動補完を設定する方法については、ヘルプメニューを参照してください。
 
 ## フラグ
-```bash
+```
 -h, --help   help for completion
 ```
 
 ## 例
 zsh の補完をインストールします。
-```bash
+```console
 $ source <(copilot completion zsh)
 $ copilot completion zsh > "${fpath[1]}/_copilot" # to autoload on startup
 ```
 bash の補完を homebrew を使って macOS にインストールします。
-```bash
+```console
 $ brew install bash-completion   # if running 3.2
 $ brew install bash-completion@2 # if running Bash 4.1+
 $ copilot completion bash > /usr/local/etc/bash_completion.d
 ```
 bash の補完を Linux にインストールします。
-```bash
+```console
 $ source <(copilot completion bash)
 $ copilot completion bash > copilot.sh
 $ sudo mv copilot.sh /etc/bash_completion.d/copilot
 ```
 fish の補完を Linux にインストールします。
-```bash
+```console
 $ source <(copilot completion fish)
 $ copilot completion fish > ~/.config/fish/completions/copilot.fish
 ```

site/content/docs/commands/deploy.en.md

@@ -1,5 +1,5 @@
 # copilot deploy
-```
+```console
 $ copilot deploy
 ```
 
@@ -15,7 +15,7 @@ This command is used to run either [`copilot svc deploy`](../commands/svc-deploy
 
 ## What are the flags?
 
-```bash
+```
   -a, --app string                     Name of the application.
   -e, --env string                     Name of the environment.
       --force                          Optional. Force a new service deployment using the existing image.
@@ -38,11 +38,11 @@ rollback of the stack via the AWS console or AWS CLI before the next deployment.
 ## Examples
 
 Deploys a service named "frontend" to a "test" environment.
-```bash
+```console
  $ copilot deploy --name frontend --env test
 ```
 
 Deploys a job named "mailer" with additional resource tags to a "prod" environment.
-```bash
+```console
 $ copilot deploy -n mailer -e prod --resource-tags source/revision=bb133e7,deployment/initiator=manual
 ```