Add frontend components: dashboard, accounts, auth callback, and modal forms

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

frontend/next.config.ts

@@ -0,0 +1,7 @@
+import type { NextConfig } from "next";
+
+const nextConfig: NextConfig = {
+  /* config options here */
+};
+
+export default nextConfig;