Add CAdvowareAkten entity and related metadata

- Introduced new entity CAdvowareAkten with fields: name, description, createdAt, modifiedAt, assignedUser, teams, vmhRumungsklage, mietinkasso, aktenzeichen, and aktennummer.
- Defined relationships for CAdvowareAkten with existing entities: CVmhRumungsklage and CMietinkasso.
- Created client definitions, layouts, and ACL for CAdvowareAkten.
- Added internationalization support for CAdvowareAkten in multiple languages.
- Updated existing entities and metadata to include references to CAdvowareAkten.

custom/Espo/Custom/Resources/i18n/de_DE/CAdvowareAkten.json

@@ -0,0 +1,17 @@
+{
+    "links": {
+        "calls": "Anrufe",
+        "tasks": "Aufgaben",
+        "vmhRumungsklage": "Räumungsklagen",
+        "mietinkasso": "Mietinkasso"
+    },
+    "labels": {
+        "Create CAdvowareAkten": "Advoware Akten erstellen"
+    },
+    "fields": {
+        "vmhRumungsklage": "Räumungsklagen",
+        "mietinkasso": "Mietinkasso",
+        "aktenzeichen": "Aktenzeichen",
+        "aktennummer": "Aktennummer"
+    }
+}