Moved hello world to own module

src/hello/mod.rs

@@ -0,0 +1 @@
+pub mod routes;

src/hello/routes.rs

@@ -0,0 +1,4 @@
+#[get("/world")]
+pub fn world() -> &'static str {
+    "Hello, world!"
+}

src/ivago/controller.rs

@@ -0,0 +1 @@
+mod ivago.controller;

src/ivago/routes.rs

@@ -0,0 +1 @@
+mod ivago.routes;

src/main.rs

@@ -2,11 +2,8 @@
 
 #[macro_use] extern crate rocket;
 
-#[get("/")]
-fn index() -> &'static str {
-    "Hello, world!"
-}
+mod hello;
 
 fn main() {
-    rocket::ignite().mount("/", routes![index]).launch();
+    rocket::ignite().mount("/hello", routes![hello::routes::world]).launch();
 }