feat: closes #11 and fixed database cons remaining open

sql/user.sql

@@ -1,5 +1,9 @@
 -- drop table if exists tokens;
+
+-- drop table if exists model_data_point;
+-- drop table if exists model_defenitions;
 -- drop table if exists models;
+
 -- drop table if exists users;
 create table if not exists users (
     id uuid primary key default gen_random_uuid(),