Custom JS and CSS (#1950)

* First commit for custom styles and JS

* Adjusted classes

* Added ids and classes for services and bookmarks

* Apply suggestions from code review

* Remove mime dependency

* Update settings.json

* Detect custom css / js changes, no refresh

* Added preload to custom scripts and styles so they can load earlier

* Added data attribute name for bookmarks too

* Update [path].js

* code style, revert some pointer changes

---------

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/components/filecontent.jsx

@@ -0,0 +1,10 @@
+import useSWR from "swr"
+
+export default function FileContent({ path, loadingValue, errorValue, emptyValue = '' }) {
+  const fetcher = (url) => fetch(url).then((res) => res.text())
+  const { data, error, isLoading } = useSWR(`/api/config/${ path }`, fetcher)
+
+  if (error) return (errorValue)
+  if (isLoading) return (loadingValue)
+  return (data || emptyValue)
+}