Add AI Knowledge entity and related localization

- Introduced CAIKnowledge entity with fields for name, description, and relationships to Mietinkasso and Räumungsklage.
- Added localization files for CAIKnowledge in multiple languages including English, German, Spanish, and more.
- Updated existing JSON files to include references to AI Knowledge where applicable.
- Created necessary metadata definitions for client, entity, and record definitions for CAIKnowledge.
- Enhanced existing documents and mietinkasso resources to support new AI Knowledge functionality.

custom/Espo/Custom/Resources/metadata/clientDefs/CVmhRumungsklage.json

@@ -72,6 +72,10 @@
         "advowareAkten": {
             "layout": null,
             "selectPrimaryFilterName": null
+        },
+        "aIKnowledge": {
+            "layout": null,
+            "selectPrimaryFilterName": null
         }
     },
     "kanbanViewMode": false,