doc(discord): added slash command description to README.md

README.md

@@ -2,18 +2,57 @@
 
 Discord bot behave as like "komputer". One of character in Star Track parody series created by Dem3000
 
+# Commands
+
+- /add-joke {category} {type} {answer} {question} - *komputer zapamiętaj dowcip* - Added new joke to database
+    - category - REQUIRED - joke category
+    - type - REQUIRED - joke type
+    - answer - REQUIRED - joke content
+    - question - OPTIONAL - additional question part of joke. Required only when you try add joke as **Two-Part** type
+- /joke {id} {category} {type} - *komputer powiedz dowcip* - Find joke in JokeDev API, HumorAPI or your mongodb
+  database. Each option in this command is optional:
+    - id - jokeID, bot return ID after successful added joke into database
+    - type - joke type
+    - category - joke category
+- /welcome - *komputer przywitaj się* - Bot welcome you
+- spock {name} - *kurwa spock* - komputer says something
+    - name - OPTIONAL - name of file, that bot should play. Name should be put without file extension e.g .mp3
+- list {name} - *komputer co powiesz mi* - show list of available audio, that komputer play on voice chat
+    - name - part of file name, which you want to see
+
+## Joke categories
+
+Bot recognizes a few categories of joke:
+
+- Programowanie - programming joke
+- Różne - any kind of joke, it's random
+- YoMamma - special joke ;)
+
+## Joke types
+
+Bot recognized a two types of Joke:
+
+- Single - Joke without question part. If you put joke in question field, this joke will be ignored
+- Two-Parts - Joke with question part. You have to fill answer and question fields in /add-joke command
+
 # Installation
+
 ## Manual installation
+
 Build project and installa with this simple command:
+
 ```sh
 sudo make install
 ```
+
 Bot installs in /opt/komputer directory
+
 ## For NixOS
+
 You can use flake to install bot as NixOS module:
 
 ```nix
-# Installa in flake
+# Installa komputer via flake
 inputs = {
     komputer.url = "github:Wittano/komputer";
 };