updated fastify plugin to work with fastify v5

examples/fastify-v5/index.ts

@@ -0,0 +1,26 @@
+import { AltairFastify } from '../../packages/altair-fastify-plugin/dist';
+
+// const Fastify = require("fastify");
+import Fastify from 'fastify';
+// const AltairFastify = require("altair-fastify-plugin");
+// import AltairFastify from 'altair-fastify-plugin';
+
+const app = Fastify();
+
+// ...
+
+app.register(AltairFastify, {
+  /**
+   * All these are the defaults.
+   */
+  path: '/altair',
+  baseURL: '/altair/',
+  endpointURL: '/graphql',
+});
+
+// ...
+
+// Altair available at localhost:3000/altair
+app.listen({ port: 3000 }, () => {
+  console.log('Server listening at http://localhost:3000');
+});

examples/fastify-v5/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "fastify-v4",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "devDependencies": {
+    "@types/node": "^22.7.4",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.6.2"
+  },
+  "dependencies": {
+    "fastify": "^5.0.0"
+  },
+  "scripts": {
+    "start": "ts-node index.ts"
+  }
+}