Fastify

You want to manage two versions of a RESTful Web Service country API with fastify. Complete the following code snippet in a way that fastify route prefixing is used for the two API versions v1 and v2. Version v1 of the API is saved in file routes/v1/country.js, and version v2 in file routes/v2/country.js. The server should listen to port 5500. You are not allowed to add any additional lines!

vgl. Getting-Started & Plugins
```
// this is file server.js

const fastify = require("fastify")

fastify.register(require("routes/v1/country.js"), {prefix: "/v1"})
fastify.register(require("routes/v2/country.js"), {prefix: "/v2"})

fastify.listen({port: 5500})
```