docs: setup docusaurus for documentation (#848)

* docs: setup docusaurus for documentation

* docs: setup tailwind content for docusaurus

* chore: ensure tailwindcss is installed so pages deploy works

* docs: add cname to point to docs

* ci: override format checking for pnpm-lock in gen-docs folder

* docs(gen-docs): readme for docusaurus

* chore(gen-docs): remove unnecessary image files

* docs: remove installation instructions (moved to docs)

* ci: rename docusaurus workflows to a more explicit name

* style(gen-docs): custom color for links

* docs: add more doc pages

* style: gradient menu link bg, proper jellyseerr font & footer bg color

* docs: fix proper link to relative pages

* style: tab-items also now uses the proper jellyseerr colors

* style: use prismTheme shadesOfPurple for codeblock/syntax highlighting

* docs: fix broken links

* docs: fix broken links

* docs: fix broken anchors

* chore(gen-docs): local search bar

* style(gen-docs): tab colors

* docs: reverse-proxy documentation

* style(gen-docs): jellyseerr-like cards

* docs: rename baremetal to build from source

* docs: nixpkg version check component

* docs: conditionally render override package derivation block and admonitions

* docs: users section of the documentation

gen-docs/src/components/JellyseerrVersion/index.tsx

@@ -0,0 +1,67 @@
+import { useEffect, useState } from 'react';
+
+export const JellyseerrVersion = () => {
+  const [version, setVersion] = useState<string | null>('0.0.0');
+
+  useEffect(() => {
+    async function fetchVersion() {
+      try {
+        const response = await fetch(
+          'https://raw.githubusercontent.com/Fallenbagel/jellyseerr/main/package.json'
+        );
+
+        const data = await response.json();
+
+        setVersion(data.version);
+        console.log(data.version);
+      } catch (error) {
+        console.error('Failed to fetch version', error);
+        setVersion('Error fetching version');
+      }
+    }
+    fetchVersion();
+  }, []);
+
+  return version;
+};
+
+export const NixpkgVersion = () => {
+  const [version, setVersion] = useState(null);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState(null);
+
+  useEffect(() => {
+    const fetchVersion = async () => {
+      try {
+        const url =
+          'https://raw.githubusercontent.com/NixOS/nixpkgs/nixos-unstable/pkgs/servers/jellyseerr/default.nix';
+        const response = await fetch(url);
+        const data = await response.text();
+
+        const versionRegex = /version\s*=\s*"([^"]+)"/;
+        const match = data.match(versionRegex);
+        if (match && match[1]) {
+          setVersion(match[1]);
+        } else {
+          setError('0.0.0');
+        }
+        setLoading(false);
+      } catch (err) {
+        setError(err.message);
+        setLoading(false);
+      }
+    };
+
+    fetchVersion();
+  }, []);
+
+  if (loading) {
+    return 'Loading...';
+  }
+
+  if (error) {
+    return { error };
+  }
+
+  return version;
+};