Setup docker for production and development

Change ./init.sh to be an executable then run it.

The default inner container ports are as followed:
- Postgres: 5432:5432
- Backend: 3001:3000
- Frontend: 3000:3000

- Frontend dev: 8000

The backend image needs to be built:

docker compose up -d --build

frontend/next.config.ts

@@ -0,0 +1,8 @@
+import type { NextConfig } from "next";
+
+const nextConfig: NextConfig = {
+	/* config options here */
+	output: "standalone",
+};
+
+export default nextConfig;