Adds real StarWars example

Examples/StarWars/Package.swift

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+// swift-tools-version: 6.0
+
+import PackageDescription
+
+let package = Package(
+    name: "StarWars",
+    platforms: [
+        .macOS(.v13),
+    ],
+    products: [
+        .library(
+            name: "StarWars",
+            targets: ["StarWars"]
+        ),
+    ],
+    dependencies: [
+        .package(name: "graphql-generator", path: "../.."),
+        .package(url: "https://github.com/GraphQLSwift/DataLoader", from: "2.0.0"),
+        .package(url: "https://github.com/GraphQLSwift/GraphQL", from: "4.1.0"),
+        .package(url: "https://github.com/swift-server/async-http-client", from: "1.0.0"),
+    ],
+    targets: [
+        .target(
+            name: "StarWars",
+            dependencies: [
+                .product(name: "AsyncDataLoader", package: "DataLoader"),
+                .product(name: "AsyncHTTPClient", package: "async-http-client"),
+                .product(name: "GraphQL", package: "GraphQL"),
+                .product(name: "GraphQLGeneratorRuntime", package: "graphql-generator"),
+            ],
+            plugins: [
+                .plugin(name: "GraphQLGeneratorPlugin", package: "graphql-generator"),
+            ]
+        ),
+        .testTarget(
+            name: "StarWarsTests",
+            dependencies: [
+                "StarWars",
+            ]
+        ),
+    ]
+)

Examples/StarWars/README.md

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+# Star Wars
+
+This is a `graphql-generator` example using the schema at https://graphql.org/graphql/, which wraps the [Star Wars API](https://www.swapi.tech) (SWAPI). For a Javascript implementation, see https://github.com/graphql/swapi-graphql
+
+It uses [async-http-client](https://github.com/swift-server/async-http-client) to make the web requests and a [DataLoader](https://github.com/GraphQLSwift/DataLoader) to cache SWAPI responses.
+
+## Getting Started
+
+To get started, simply open this directory and build the project:
+
+```swift
+swift build
+```
+
+Running the tests will print some example query responses to the console.