🎉 Inits backend

backend/src/main.rs

@@ -0,0 +1,11 @@
+#[macro_use] extern crate rocket;
+
+#[get("/")]
+async fn index() -> &'static str {
+    "Hello World!"
+}
+
+#[launch]
+fn rocket() -> _ {
+    rocket::build().mount("/", routes![index])
+}