Started JWT token generation

src/rbs/auth.rs

@@ -11,9 +11,12 @@ struct Credentials {
 
 #[post("/login", data = "<credentials>")]
 async fn login(conn: RbDbConn, credentials: Json<Credentials>) {
+    let credentials = credentials.into_inner();
+
     let user = conn
         .run(move |c| verify_user(c, &credentials.username, &credentials.password))
         .await;
+    user
 }
 
 // /refresh