Add versioning rules to CLAUDE.md

CLAUDE.md

@@ -20,6 +20,12 @@ Media Server Repository: [media-player-server](https://git.dolgolyov-family.by/a
 
 Integration files location: `U:\custom_components\remote_media_player`
 
+## Versioning
+
+Version is tracked in `custom_components/remote_media_player/manifest.json` - `version` field.
+
+Update this field when releasing a new version.
+
 ## Git Rules
 
 - Always ask for user approval before committing changes to git.