chore: root endpoint

src/index.ts

@@ -14,6 +14,10 @@ const server = fastify({
 
 await buildRoutes(server);
 
+server.get("/", async(_request, response) => {
+  response.type("text/plain").send("Welcome to the NHCarrigan Data API!");
+});
+
 server.listen({ port: 9999 }, () => {
   void logger.log("info", "Server started on port 9999");
 });