refactor: Move backend code to 'lib.rs'

Author: utilForever

src/lib.rs

@@ -0,0 +1,13 @@
+#[macro_use]
+extern crate rocket;
+
+use rocket::{Build, Rocket};
+
+#[get("/health_check")]
+fn health_check() {
+    ()
+}
+
+pub fn run() -> Rocket<Build> {
+    rocket::build().mount("/", routes![health_check])
+}