Playtube: eigenstaendiger YouTube/YouTube-Music-Player mit Discord RPC und Auto-Update

- PySide6/QtWebEngine mit persistentem Login-Profil (YouTube + YouTube Music Tabs)
- Google-Login-Fix per Sec-CH-UA-Headern + Chrome-JS-Shim
- Discord Rich Presence (eigener Thread, Titel/Fortschritt/Buttons)
- Eigenes Branding (Taskmanager/Taskleiste) per AppUserModelID + PyInstaller-Packaging
- Auto-Update ueber GitHub Releases (fojadrachi/Playtube)

Co-Authored-By: Claude Sonnet 5 <[email protected]>

.gitignore

@@ -0,0 +1,7 @@
+.venv/
+__pycache__/
+*.pyc
+build/
+dist/
+run*.log
+test_login*.log