docs: add a link to adb shell
MODIFY
commands-yml/commands/mobile-command.yml
commands-yml/commands/mobile-command.yml
### Android
| Command | Description | Argument | Argument Example |
| ------- | ----------- | -------- | ---------------- |
- | mobile:shell | Execute [ADB shell](https://developer.android.com/studio/command-line/adb#shellcommands) commands (requires [insecure feature](/docs/en/writing-running-appium/security.md) `adb_shell` to be enabled) | ADB shell string | `am start -n com.example.demo/com.example.test.MainActivity` |
+ | mobile:shell | Execute [ADB shell](https://developer.android.com/studio/command-line/adb#shellcommands) commands (requires [insecure feature](/docs/en/writing-running-appium/security.md) `adb_shell` to be enabled) | Read [this page](/docs/en/writing-running-appium/android/android-shell.md) | `{'command': 'echo', 'args': ['arg1', 'arg2']}` |
| mobile:startLogsBroadcast | Starts Android logcat broadcast websocket on the same host and port where Appium is running at `/ws/session/:sessionId:/appium/device/logcat` endpoint | <none> | <none> |
| mobile:stopLogsBroadcast | Stops the logcat broadcasting websocket server started by `mobile:startLogsBroadcast` | <none> | <none> |
| mobile:performEditorAction | Performs the given editor action on the focused input field. The following action names are supported: `normal, unspecified, none, go, search, send, next, done, previous`. | `{action}` | `{action: "previous"}`|

docs: add a link to adb shell (#13966)