[P_UI] Added django settings for p_ui (#5343)

* Added django settings for pui

* Fix: server version is not loaded on initial load

* Moved server version out of server selector icon

* Use polling only for WSL

* Added comment and extracted to constant instead of function

* Default show server selector to false if not in dev mode

* Refactored hostList settings

* Move json serialization into global scope

* Show server selector in netlify builds

* Use demo server for netlify

* Renamed netilfy mode to dev or demo mode

* Translate for netlify

* Dont use translation in main as the are not working there

src/frontend/netlify.toml

@@ -2,9 +2,12 @@
 # https://www.netlify.com/docs/netlify-toml-reference/
 
 [build]
-  command = "yarn run build --outDir dist"
+  command = "yarn run extract && yarn run compile && yarn run build --outDir dist"
   publish = "dist"
 
+[build.environment]
+  VITE_DEMO = "true"
+
 # Send requests to subpath
 
 [[redirects]]