Update config_path in donetick.json (#8872)

Edited config path to proper location

Author: fyxtro

frontend/public/json/donetick.json

@@ -10,7 +10,7 @@
   "privileged": false,
   "interface_port": 2021,
   "documentation": "https://docs.donetick.com/getting-started/",
-  "config_path": "/opt/donetick/selfhosted.yml",
+  "config_path": "/opt/donetick/config/selfhosted.yml",
   "website": "https://donetick.com",
   "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/donetick.webp",
   "description": "Donetick an open-source, user-friendly app for managing tasks and chores, featuring customizable options to help you and others stay organized",