Add reputation attribute to FalukantCharacter model and update related services and views

- Introduced a new 'reputation' attribute in the FalukantCharacter model with a default value and validation.
- Updated FalukantService to include 'reputation' in character attributes for API responses.
- Enhanced ReputationView component to display current reputation and load it from the API.
- Added translations for reputation in both German and English locales.

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

@@ -198,6 +198,16 @@
         "nobility": {
             "cooldown": "You can only advance again on {date}."
         },
+        "reputation": {
+            "title": "Reputation",
+            "overview": {
+                "title": "Overview",
+                "current": "Your current reputation"
+            },
+            "party": {
+                "title": "Parties"
+            }
+        },
         "branchProduction": {
             "storageAvailable": "Free storage"
         },