Switched to tokio and added webserver

src/webserver.rs

@@ -0,0 +1,11 @@
+use rocket::{get, routes};
+
+pub async fn start_webserver() -> Result<(), rocket::Error> {
+    rocket::build().mount("/", routes![index]).launch().await?;
+    Ok(())
+}
+
+#[get("/")]
+fn index() -> &'static str {
+    "Hello, world!"
+}