Add CMietinkasso entity and localization support

- Introduced a new entity "CMietinkasso" with its metadata definitions, including fields, links, and indexes.
- Added controller for CMietinkasso to handle business logic.
- Created localization files for CMietinkasso in multiple languages (e.g., English, German, Spanish, etc.) to support internationalization.
- Updated global JSON files to include references to the new entity.
- Modified configuration files to integrate CMietinkasso into the application structure.

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

@@ -0,0 +1,110 @@
+{
+    "fields": {
+        "name": {
+            "type": "varchar",
+            "required": true,
+            "pattern": "$noBadCharacters"
+        },
+        "description": {
+            "type": "text"
+        },
+        "createdAt": {
+            "type": "datetime",
+            "readOnly": true
+        },
+        "modifiedAt": {
+            "type": "datetime",
+            "readOnly": true
+        },
+        "createdBy": {
+            "type": "link",
+            "readOnly": true,
+            "view": "views/fields/user"
+        },
+        "modifiedBy": {
+            "type": "link",
+            "readOnly": true,
+            "view": "views/fields/user"
+        },
+        "assignedUser": {
+            "type": "link",
+            "required": false,
+            "view": "views/fields/assigned-user"
+        },
+        "teams": {
+            "type": "linkMultiple",
+            "view": "views/fields/teams"
+        }
+    },
+    "links": {
+        "createdBy": {
+            "type": "belongsTo",
+            "entity": "User"
+        },
+        "modifiedBy": {
+            "type": "belongsTo",
+            "entity": "User"
+        },
+        "assignedUser": {
+            "type": "belongsTo",
+            "entity": "User"
+        },
+        "teams": {
+            "type": "hasMany",
+            "entity": "Team",
+            "relationName": "entityTeam",
+            "layoutRelationshipsDisabled": true
+        },
+        "meetings": {
+            "type": "hasMany",
+            "entity": "Meeting",
+            "foreign": "parent"
+        },
+        "calls": {
+            "type": "hasMany",
+            "entity": "Call",
+            "foreign": "parent"
+        },
+        "tasks": {
+            "type": "hasChildren",
+            "entity": "Task",
+            "foreign": "parent"
+        },
+        "emails": {
+            "type": "hasChildren",
+            "entity": "Email",
+            "foreign": "parent",
+            "layoutRelationshipsDisabled": true
+        }
+    },
+    "collection": {
+        "orderBy": "createdAt",
+        "order": "desc"
+    },
+    "indexes": {
+        "name": {
+            "columns": [
+                "name",
+                "deleted"
+            ]
+        },
+        "assignedUser": {
+            "columns": [
+                "assignedUserId",
+                "deleted"
+            ]
+        },
+        "createdAt": {
+            "columns": [
+                "createdAt"
+            ]
+        },
+        "createdAtId": {
+            "unique": true,
+            "columns": [
+                "createdAt",
+                "id"
+            ]
+        }
+    }
+}