Added static serve folder middleware

apps/backend/src/middlewares/staticFolder.ts

@@ -0,0 +1,15 @@
+import { serveStatic } from "@hono/node-server/serve-static";
+
+/**
+ * Serves static files from the specified folder, rewriting the request path.
+ *
+ * @param path - The root directory from which to serve static files.
+ * @returns A middleware that serves static files with the modified request path.
+ */
+const staticFolder = (path: string) =>
+	serveStatic({
+		root: path,
+		rewriteRequestPath: (path) => path.replace(/.*\//, "./"),
+	});
+
+export default staticFolder;