Added the catalogue models and seed to support phase 1 of the POC prototype in the Persistence package.

Packages/Persistence/Sources/Internal/Migrations/CreateShop.swift

@@ -0,0 +1,33 @@
+import FluentKit
+
+/// Creates and drops the `shops` table backing ``ShopRecord``.
+struct CreateShop: AsyncMigration {
+
+    // MARK: Methods
+
+    func prepare(on database: Database) async throws {
+        try await database.schema(ShopRecord.schema)
+            .id()
+            .field("slug", .string, .required)
+            .field("name", .string, .required)
+            .field("city", .string, .required)
+            .field("country", .string, .required)
+            .field("since_year", .int, .required)
+            .field("is_verified", .bool, .required)
+            .field("rating", .double, .required)
+            .field("rated_sales", .int, .required)
+            .field("sold_count", .int, .required)
+            .field("handling_days", .int, .required)
+            .field("ships_note", .string, .required)
+            .field("returns_note", .string, .required)
+            .field("about", .string, .required)
+            .unique(on: "slug")
+            .create()
+    }
+
+    func revert(on database: Database) async throws {
+        try await database.schema(ShopRecord.schema)
+            .delete()
+    }
+
+}