Add first routes for accounts management

moneymgr_backend/src/models/tokens.rs

@@ -63,7 +63,7 @@ impl Token {
 }
 
 #[derive(Insertable)]
-#[diesel(table_name = token)]
+#[diesel(table_name = tokens)]
 pub struct NewToken<'a> {
     pub name: &'a str,
     pub user_id: i32,