Moved database into a module.

src/main.rs

@@ -1,12 +1,13 @@
-use morethantext::Database;
 use tide::{
     http::StatusCode,
     sessions::{MemoryStore, SessionMiddleware},
     Request, Response,
 };
 
+mod database;
 mod settings;
 
+use database::Database;
 use settings::Settings;
 
 #[async_std::main]