added docs for 'help'

Author: coderGtm

docs/commands/help.md

@@ -0,0 +1,24 @@
+# help
+
+As the name suggests, this command is your friend to navigate through the Launcher. It will provide you with a list of all available commands and their descriptions, with basic usage information.
+
+## Syntax
+```
+help
+```
+This command will display a list of all available commands and their descriptions.
+
+If you want to know just about a specific command, you can use:
+```
+help [command]
+```
+
+## Example
+```
+help
+help launch
+```
+This will display detailed information about the `launch` command.
+
+!!! tip
+    You can also long press any command suggestion to get a brief description of the command in the form of a popup dialog.

mkdocs.yml

@@ -11,6 +11,7 @@ nav:
     - Commands Overview: commands-overview.md
     - Commands:
         - launch: commands/launch.md
+        - help: commands/help.md
         - username: commands/username.md
         - alias: commands/alias.md
         - call: commands/call.md