Add category management

database/migrations/.snapshot-collab_space.json

database/migrations/Migration20230601132750.ts

database/migrations/Migration20230603153705.ts

package-lock.json

package.json

src/app.module.ts

src/auth/auth.controller.ts

src/auth/auth.module.ts

src/auth/auth.service.ts

src/category/category.controller.spec.ts

src/category/category.controller.ts

src/category/category.dto.ts

src/category/category.entity.ts

src/category/category.module.ts

src/category/category.service.spec.ts

src/category/category.service.ts

src/mikro-orm.config.ts

src/room/room.controller.spec.ts

src/room/room.controller.ts

src/room/room.entity.ts