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-backup.json

@@ -0,0 +1,43 @@
+{
+    "type": "simple",
+    "name": "vmh-erstberatung-abschlie\u00dfen",
+    "entity_type": "CVmhErstgespraech",
+    "trigger_type": "afterRecordSaved",
+    "is_active": true,
+    "description": "Versendet Erstberatungs-E-Mail und setzt Status auf \"Warte auf Mandatierung\"",
+    "conditions_all": [
+        {
+            "comparison": "equals",
+            "subjectType": "value",
+            "cid": 0,
+            "fieldToCompare": "status",
+            "type": "all",
+            "value": "Warte auf Mandatierung"
+        },
+        {
+            "comparison": "changed",
+            "subjectType": null,
+            "cid": 1,
+            "fieldToCompare": "status",
+            "type": "all"
+        }
+    ],
+    "conditions_any": [],
+    "conditions_formula": null,
+    "actions": [
+        {
+            "type": "sendEmail",
+            "cid": 0,
+            "id": "423a120400",
+            "from": "specifiedEmailAddress",
+            "fromEmailAddress": "anwalt@vermieterhelden.de",
+            "to": "targetEntity",
+            "toEmailAddress": null,
+            "replyTo": null,
+            "emailTemplateId": null,
+            "emailTemplateName": null,
+            "doNotStore": false,
+            "optOutLink": false
+        }
+    ]
+}