Enhance documentation and workflow management in EspoCRM

- Update README.md to include a table of contents and detailed sections on workflow management and custom scripts.
- Remove deprecated 'runWorkflow' field from CVmhErstgespraech localization files.
- Add 'runWorkflow' field to detail layout for CVmhErstgespraech.
- Update workflow_manager.php to improve workflow listing and management functionality.
- Adjust cache timestamps in config.php.
- Create CUSTOM_DIRECTORY.md to outline the custom directory structure and best practices.
- Add README.md for workflow definitions with usage examples and JSON format specifications.
- Introduce new workflow definitions for 'vmh-erstberatung-abschließen' and its backup.

custom/workflows/vmh-erstberatung-abschliessen.json

@@ -0,0 +1,27 @@
+{
+    "type": "simple",
+    "name": "vmh-erstberatung-abschließen",
+    "entity_type": "CVmhErstgespraech",
+    "trigger_type": "afterRecordSaved",
+    "is_active": true,
+    "description": "Sendet E-Mail und setzt Status wenn Erstberatung abgeschlossen wird",
+    "conditions_all": [
+        {
+            "type": "equals",
+            "attribute": "status",
+            "value": "Warte auf Mandatierung"
+        }
+    ],
+    "conditions_any": [],
+    "conditions_formula": null,
+    "actions": [
+        {
+            "type": "sendEmail",
+            "from": "system",
+            "to": "contactId",
+            "emailTemplateId": null,
+            "subject": "Erstberatung abgeschlossen",
+            "body": "Ihre Erstberatung wurde erfolgreich abgeschlossen. Wir warten nun auf Ihre Mandatierung."
+        }
+    ]
+}