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/entityDefs/CVmhRumungsklage.json

@@ -89,6 +89,9 @@
         },
         "advowareAkten": {
             "type": "linkOne"
+        },
+        "aIKnowledge": {
+            "type": "linkOne"
         }
     },
     "links": {
@@ -203,6 +206,12 @@
             "foreign": "vmhRumungsklage",
             "entity": "CAdvowareAkten",
             "isCustom": true
+        },
+        "aIKnowledge": {
+            "type": "hasOne",
+            "foreign": "vmhRumungsklage",
+            "entity": "CAIKnowledge",
+            "isCustom": true
         }
     },
     "collection": {