feat: new separate frontend and backend folders with fastify as nodejs framework, libreconvert is configured in fastify as route

backend/server.ts

@@ -0,0 +1,15 @@
+import Fastify from "fastify";
+import cors from "@fastify/cors";
+import multipart from '@fastify/multipart';
+import { libreConvert } from "./src/routes/libreconvert.route";
+
+const app = Fastify({ logger: true });
+
+app.register(cors, { origin: "*" });
+app.register(multipart);
+app.register(libreConvert);
+
+const PORT = process.env.PORT || 4000;
+app.listen({ port: Number(PORT), host: "0.0.0.0" }, () => {
+    console.log(`🚀Fastify is live on http://localhost:${PORT}`);
+});