add fastify starter (#107)

examples/fastify/.gitignore

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+/node_modules
+/dist

examples/fastify/README.md

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+---
+title: Fastify
+description: A Fastify server
+tags:
+  - fastify
+  - typescript
+---
+
+# Fastify Example
+
+This example starts a [Fastify](https://www.fastify.io/) server.
+
+[![Deploy on Railway](https://railway.app/button.svg)](https://railway.app/new/template?template=https%3A%2F%2Fgithub.com%2Frailwayapp%2Fexamples%2Ftree%2Fmaster%2Fexamples%2Ffastify)
+
+## ✨ Features
+
+- Fastify
+- TypeScript
+
+## 💁‍♀️ How to use
+
+- Install dependencies `yarn`
+- Connect to your Railway project `railway link`
+- Start the development server `railway run yarn dev`
+
+## 📝 Notes
+
+The server started simply returns a `{ message: "Hello world!" }` payload in JSON. The server code is located in the `index.ts` file.

examples/fastify/index.ts

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+import fastify from "fastify";
+
+const server = fastify();
+
+server.get("/", async (request, reply) => {
+  reply.code(200).send({ message: "Hello world!" });
+});
+
+server.listen(8080, (err, address) => {
+  if (err) {
+    console.error(err);
+    process.exit(1);
+  }
+  console.log(`Server listening at ${address}`);
+});

examples/fastify/package.json

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+{
+  "name": "fastify",
+  "version": "1.0.0",
+  "main": "index.js",
+  "author": "Faraz Patankar",
+  "license": "MIT",
+  "scripts": {
+    "dev": "nodemon index.ts",
+    "build": "tsc -p tsconfig.json",
+    "start": "node dist/index.js"
+  },
+  "dependencies": {
+    "fastify": "^3.15.1"
+  },
+  "devDependencies": {
+    "@types/node": "^15.6.1",
+    "nodemon": "^2.0.7",
+    "ts-node": "^10.0.0",
+    "typescript": "^4.2.4"
+  }
+}

examples/fastify/tsconfig.json

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+{
+  "compilerOptions": {
+    "outDir": "dist",
+
+    "incremental": true,
+    "target": "es6",
+    "module": "commonjs",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true
+  }
+}