Neuerungen & Verbesserungen:
- NEW: Hooks backend_content_search_finalize and backend_content_search_init
Fehlerbehebungen:
- fix: remove stale zip file after plugin update
- fix: reintroduce lost hooks
Sonstiges:
- remove old email configuration and replace with dedicated mail accounts
- minor wording changes in contact form concerning mail sending
- let current plugin INI-configuration remain during plugin update