✨(frontend) add onboarding modal with help menu button

integrate onboarding feature accessible from left panel help menu

✨(frontend) add docs onboarding and help memu

Introduce an onboarding to guide users through core features.

Author: Ovgodd

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to
 ### Added
 
 - ✨(backend) add a is_first_connection flag to the User model #1938
+- ✨(frontend) add onboarding modal with help menu button #1868
 
 ### Changed
 

src/backend/impress/configuration/theme/default.json

@@ -158,5 +158,9 @@
       "href": "/assets/favicon-dark.png",
       "type": "image/png"
     }
+  },
+  "onboarding": {
+    "enabled": true,
+    "learn_more_url": ""
   }
 }