First draft version with Svelte for popup and additional build steps

src/hooks.js

@@ -0,0 +1,8 @@
+/** @type {import('@sveltejs/kit').Reroute} */
+export function reroute({url}) {
+  // Reroute index.html as just / for the root.
+  // Browser extension starts from with the index.html file in the pathname which is not correct for the router.
+  if (url.pathname === '/index.html') {
+    return "/";
+  }
+}