setup database, entities, and migrations

src/database/entities/hotel-facility.entity.ts

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+import { Hotel } from "@/database/entities/hotel.entity";
+import {
+	Collection,
+	Entity,
+	ManyToMany,
+	PrimaryKey,
+	Property,
+	Unique,
+} from "@mikro-orm/core";
+
+@Entity()
+export class HotelFacility {
+	@PrimaryKey({ type: "varchar", length: 30 })
+	id!: string;
+
+	@Property({ type: "varchar", length: 200 })
+	@Unique()
+	slug!: string;
+
+	@Property({ type: "varchar", length: 100 })
+	name!: string;
+
+	@Property({ type: "varchar", length: 100 })
+	icon!: string;
+
+	@Property({
+		type: "timestamp",
+		onCreate: () => new Date(),
+	})
+	createdAt!: Date;
+
+	@Property({
+		type: "timestamp",
+		onCreate: () => new Date(),
+		onUpdate: () => new Date(),
+	})
+	updatedAt!: Date;
+
+	// Collections
+
+	@ManyToMany(() => Hotel, (hotel) => hotel.facilities)
+	hotels = new Collection<HotelFacility>(this);
+}