Run cargo fmt, add root preflight.

src/main.rs

@@ -9,11 +9,11 @@ extern crate bitfield;
 #[macro_use]
 extern crate lazy_static;
 
-pub mod notifications;
 pub mod database;
-pub mod guards;
-pub mod routes;
 pub mod email;
+pub mod guards;
+pub mod notifications;
+pub mod routes;
 pub mod util;
 
 use dotenv;