add dtos and fix entities including migrations

src/migrations/1758988748273-DropNotNullForIngredientGroupTitle.ts

@@ -0,0 +1,12 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class DropNotNullForIngredientGroupTitle1758988748273 implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query("ALTER TABLE recipe_ingredient_group ALTER COLUMN title DROP NOT NULL")
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+    }
+
+}