add updates for final branch

codegen.ts

@@ -0,0 +1,20 @@
+import type { CodegenConfig } from "@graphql-codegen/cli";
+
+const config: CodegenConfig = {
+  schema: "./src/schema.ts",
+  generates: {
+    "./src/types.ts": {
+      plugins: ["typescript", "typescript-resolvers"],
+      config: {
+        contextType: "./context#DataSourceContext",
+        mappers: {
+          Playlist: "./models#PlaylistModel",
+          Track: "./models#TrackModel",
+          AddItemsToPlaylistPayload: "./models#AddItemsToPlaylistPayloadModel",
+        }
+      }
+    },
+  },
+};
+
+export default config;