feat(Moderation): implement moderation reports feature

- Added moderationRouter to handle moderation-related API routes.
- Introduced new methods in AdminController for fetching all regions, region types, and creating regions.
- Enhanced adminRouter with routes for moderation reports and status updates.
- Updated navigationController to include moderation reports in the admin menu.
- Implemented frontend components for reporting messages in the forum and managing moderation reports.
- Added internationalization support for moderation-related texts in multiple languages.

frontend/src/i18n/locales/de/socialnetwork.json

@@ -255,7 +255,12 @@
                 "last": "Letzte Seite",
                 "page": "Seite <<page>> von <<of>>"
             },
-            "createNewMesssage": "Antwort senden"
+            "createNewMesssage": "Antwort senden",
+            "reportAction": "Melden",
+            "reportPrompt": "Kurzer Meldegrund (z. B. Spam, Beleidigung, Gewalt):",
+            "reportReasonTooShort": "Bitte gib mindestens 3 Zeichen als Meldegrund ein.",
+            "reportSubmitted": "Meldung wurde an die Moderation gesendet.",
+            "reportError": "Meldung konnte nicht gesendet werden."
         },
         "friendship": {
             "error": {