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/Controllers/CAktenCDokumente.php

@@ -0,0 +1,21 @@
+<?php
+namespace Espo\Custom\Controllers;
+
+use Espo\Core\Controllers\Record;
+
+/**
+ * Junction Controller: CAkten ↔ CDokumente
+ *
+ * Provides REST API access to the Akten-Dokumente relationship.
+ *
+ * Available endpoints:
+ * GET    /api/v1/CAktenCDokumente
+ * GET    /api/v1/CAktenCDokumente/{id}
+ * POST   /api/v1/CAktenCDokumente
+ * PUT    /api/v1/CAktenCDokumente/{id}
+ * DELETE /api/v1/CAktenCDokumente/{id}
+ */
+class CAktenCDokumente extends Record
+{
+    // Inherits all CRUD operations from Record controller
+}