show the installation command for prereq (aws-amplify#5705)

* show the installation command for prereq

* updated the CLI install step

src/fragments/lib/project-setup/ios/prereq/prereq.mdx

@@ -1,5 +1,3 @@
-import ios0 from "/src/fragments/lib/ios-prereq-xcode.mdx";
+import ios0 from '/src/fragments/lib/ios-prereq-xcode.mdx';
 
-<Fragments fragments={{ios: ios0}} />
-
-- [Amplify CLI](/cli) version 10 or later
+<Fragments fragments={{ ios: ios0 }} />

src/fragments/lib/project-setup/native_common/prereq/common_body.mdx

@@ -6,10 +6,16 @@ If you don't already have an AWS account, you'll need to create one in order to
 
 > There are no upfront charges or any term commitments to create an AWS account and signing up gives you immediate access to the AWS Free Tier.
 
-## Install and configure the Amplify CLI
+## Install the Amplify CLI
+
+The Amplify Command Line Interface (CLI) is a unified toolchain to create AWS cloud services for your app. Let's go ahead and install the Amplify CLI.
+
+import all0 from '/src/fragments/cli-install-block.mdx';
+
+<Fragments fragments={{ all: all0 }} />
 
 import config from '/src/fragments/cli-config.mdx';
 
 <Fragments fragments={{ all: config }} />
 
-Next, you'll set up the app and initialize Amplify!
+Next, you'll set up your app and initialize Amplify!

src/fragments/start/getting-started/common/prereq.mdx

@@ -24,6 +24,13 @@ If you don't already have an AWS account, you'll need to create one in order to
 
 > There are no upfront charges or any term commitments to create an AWS account and signing up gives you immediate access to the AWS Free Tier.
 
+## Install the Amplify CLI
+
+The Amplify Command Line Interface (CLI) is a unified toolchain to create AWS cloud services for your app. Let's go ahead and install the Amplify CLI.
+
+import all0 from '/src/fragments/cli-install-block.mdx';
+
+<Fragments fragments={{ all: all0 }} />
 
 import config from '/src/fragments/cli-config.mdx';