Add localization files and layout configurations for CAkten and related entities

- Created localization JSON files for multiple languages (e.g., Danish, German, Greek, English, Spanish, etc.) for CAkten and CAktenCDokumente.
- Added layout configurations for CAkten, including detail views, side panels, and bottom panels.
- Implemented metadata definitions for CAkten, including field definitions, relationship panels, and scopes.
- Introduced new JSON files for managing document relationships and listing configurations.

custom/Espo/Custom/Resources/metadata/entityDefs/CKuendigung.json

@@ -355,7 +355,7 @@
         "advowareAkten": {
             "type": "belongsTo",
             "foreign": "kuendigungen",
-            "entity": "CAdvowareAkten",
+            "entity": "CAkten",
             "audited": false,
             "isCustom": true
         },
@@ -413,7 +413,6 @@
                 "aktennr"
             ]
         },
-
         "status": {
             "columns": [
                 "status",