Added code.

client/server.js

@@ -0,0 +1,21 @@
+const express = require("express");
+const path = require("path");
+const livereload = require("livereload");
+const connectLivereload = require("connect-livereload");
+const app = express();
+const PORT = 3000;
+
+const liveReloadServer = livereload.createServer();
+liveReloadServer.watch(path.join(__dirname, "public"));
+app.use(connectLivereload());
+
+app.use(express.static("public"));
+
+app.get("/", (req, res) => {
+  res.sendFile(path.join(__dirname, "public", "index.html"));
+});
+
+app.listen(PORT, () => {
+  console.log(`UI Server running at http://localhost:${PORT}`);
+  console.log(`Make sure your C server is running on port 8080!`);
+});