Move the List struct to a modules submodule

Move the state type ListStore back to main.rs, it is used for
a global state object (like a DB connection, etc.)

src/handlers/home.rs

@@ -1,7 +1,7 @@
-use list::ListStore;
 use rocket::State;
 use rocket_contrib::Template;
 use std::collections::HashMap;
+use super::super::ListStore;
 
 #[derive(Serialize)]
 struct IndexTemplateContext<'a> {

src/handlers/list.rs

@@ -1,6 +1,7 @@
-use list::{List, ListStore};
 use rocket::State;
 use rocket_contrib::Json;
+use super::super::ListStore;
+use super::super::models::list::List;
 
 #[get("/", format = "application/json")]
 fn index(lists: State<ListStore>) -> Option<Json<Vec<List>>> {

src/main.rs

@@ -9,14 +9,16 @@ extern crate rocket_contrib;
 #[macro_use] extern crate serde_derive;
 extern crate serde_json;
 
-mod list;
 mod handlers;
+mod models;
 
 use rocket::Rocket;
 use std::sync::RwLock;
 
+pub type ListStore = RwLock<Vec<models::list::List>>;
+
 fn rocket() -> Rocket {
-    let lists = list::List::load_all();
+    let lists = models::list::List::load_all();
     rocket::ignite()
         .manage(RwLock::new(lists))
         .mount("/", routes![handlers::home::index,

src/models/list.rs

@@ -84,5 +84,3 @@ impl List {
         lists
     }
 }
-
-pub type ListStore = RwLock<Vec<List>>;

src/models/mod.rs

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