Implement auto splitters docs page

Author: JackTench

src/app/auto-splitters.tsx

@@ -0,0 +1,9 @@
+import { AppGitHubGenericMarkdown } from "@/components/libresplit/AppGitHubGenericMarkdown";
+
+export function AutoSplitters() {
+  return (
+    <div>
+      <AppGitHubGenericMarkdown url="https://raw.githubusercontent.com/LibreSplit/LibreSplit/refs/heads/main/docs/auto-splitters.md" />
+    </div>
+  );
+}

src/router.tsx

@@ -1,3 +1,4 @@
+import { AutoSplitters } from "./app/auto-splitters";
 import { Converter } from "./app/converter";
 import { Home } from "./app/home";
 import { NotFound } from "./app/not-found";
@@ -9,6 +10,9 @@ export default function AppRouter() {
       <Route path="/" element={<Home />} />
       <Route path="/converter" element={<Converter />} />
 
+      {/* Documentation pages pulled from GitHub. */}
+      <Route path="/docs/auto-splitters.md" element={<AutoSplitters />} />
+
       {/* Fall back on app's 404 page. This is because of the SPA routing trick with 404.html used in GitHub Pages. */}
       <Route path="*" element={<NotFound />} />
     </Routes>