Added the catalogue models and seed to support phase 5 of the POC prototype in the Persistence package.

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

@@ -0,0 +1,41 @@
+import FluentKit
+
+/// Creates the `wants` table, and the `series` table seeded with the runs the demo listings belong to.
+struct CreateCollecting: AsyncMigration {
+
+    // MARK: Methods
+
+    func prepare(on database: Database) async throws {
+        try await database.schema(WantRecord.schema)
+            .id()
+            .field("user_id", .uuid, .required, .references(UserRecord.schema, "id", onDelete: .cascade))
+            .field("title", .string, .required)
+            .field("min_grade", .double)
+            .field("max_price_cents", .int)
+            .field("slabbed_only", .bool, .required)
+            .field("alerts", .bool, .required)
+            .field("created_at", .datetime, .required)
+            .field("seen_at", .datetime, .required)
+            .create()
+        try await database.schema(SeriesRecord.schema)
+            .id()
+            .field("slug", .string, .required)
+            .field("name", .string, .required)
+            .field("publisher", .string, .required)
+            .field("years", .string, .required)
+            .field("issue_count", .int, .required)
+            .field("blurb", .string, .required)
+            .unique(on: "slug")
+            .create()
+
+        for series in Seed.series {
+            try await SeriesRecord(series).save(on: database)
+        }
+    }
+
+    func revert(on database: Database) async throws {
+        try await database.schema(SeriesRecord.schema).delete()
+        try await database.schema(WantRecord.schema).delete()
+    }
+
+}