Implement church career management features

- Added endpoints for church career functionalities including overview, available positions, application submission, and application decision-making.
- Enhanced the FalukantController to handle church-related requests.
- Updated associations and models to support church office types and requirements.
- Integrated new routes in the falukantRouter for church career operations.
- Implemented service methods for managing church applications and checking church career status.
- Updated frontend components to display current positions, available positions, and manage applications with appropriate UI elements and loading states.
- Localized new church-related strings in both English and German.

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

@@ -837,6 +837,58 @@
             }
         },
         "church": {
+            "title": "Kirche",
+            "tabs": {
+                "current": "Aktuelle Positionen",
+                "available": "Verfügbare Positionen",
+                "applications": "Bewerbungen"
+            },
+            "current": {
+                "office": "Amt",
+                "region": "Region",
+                "holder": "Inhaber",
+                "supervisor": "Vorgesetzter",
+                "none": "Keine aktuellen Positionen vorhanden."
+            },
+            "available": {
+                "office": "Amt",
+                "region": "Region",
+                "supervisor": "Vorgesetzter",
+                "seats": "Verfügbare Plätze",
+                "action": "Aktion",
+                "apply": "Bewerben",
+                "applySuccess": "Bewerbung erfolgreich eingereicht.",
+                "applyError": "Fehler beim Einreichen der Bewerbung.",
+                "none": "Keine verfügbaren Positionen."
+            },
+            "applications": {
+                "office": "Amt",
+                "region": "Region",
+                "applicant": "Bewerber",
+                "date": "Datum",
+                "action": "Aktion",
+                "approve": "Annehmen",
+                "reject": "Ablehnen",
+                "approveSuccess": "Bewerbung angenommen.",
+                "rejectSuccess": "Bewerbung abgelehnt.",
+                "decideError": "Fehler bei der Entscheidung.",
+                "none": "Keine Bewerbungen vorhanden."
+            },
+            "offices": {
+                "village-priest": "Dorfgeistlicher",
+                "parish-priest": "Pfarrer",
+                "dean": "Dekan",
+                "archdeacon": "Erzdiakon",
+                "bishop": "Bischof",
+                "archbishop": "Erzbischof",
+                "cardinal": "Kardinal",
+                "pope": "Papst"
+            },
+            "application": {
+                "received": "Neue Bewerbung erhalten",
+                "approved": "Bewerbung angenommen",
+                "rejected": "Bewerbung abgelehnt"
+            },
             "title": "Kirche",
             "baptism": {
                 "title": "Taufen",