chore: move Git & Workflow Rules to global config

AGENTS.md

@@ -1,4 +1,4 @@
-# Expo HAS CHANGED
+# Expo HAS CHANGED
 
 Read the exact versioned docs at https://docs.expo.dev/versions/v56.0.0/ before writing any code.
 
@@ -29,6 +29,4 @@ IMPORTANT: All compiled files must be placed in the `apks/` directory (e.g. `apk
 3. **Package Name**
    - Must strictly remain `de.orfel.schnappix`.
 
-# Git & Workflow Rules
+
-- **Always Commit and Push:** At the end of every interaction or when tasks are completed, ALL changes must be automatically committed and pushed to Git (`git add .`, `git commit`, `git push`).
-- **Push Retry Bug:** If `git push` fails with an authentication error, ALWAYS try running it a second time, as it usually succeeds on the retry.