refactor: controllers and models to adapt them to the previous version of my-links

database/default_table_fields.ts

@@ -0,0 +1,8 @@
+import { Knex } from 'knex';
+
+export function defaultTableFields(table: Knex.CreateTableBuilder) {
+  table.increments('id', { primaryKey: true }).first().unique().notNullable();
+
+  table.timestamp('created_at').notNullable();
+  table.timestamp('updated_at').nullable();
+}