Add simple listing of sonos devices and basic Dockefile for running it

src/app.ts

@@ -1,11 +1,26 @@
-import {createServer} from './utils/server'
+import express from "express";
+import * as Eta from "eta";
 
-createServer()
-  .then(server => {
-    server.listen(3000, () => {
-      console.info(`Listening on http://localhost:3000`)
-    })
-  })
-  .catch(err => {
-    console.error(`Error: ${err}`)
-  })
+// import { Navidrome } from "./music_service";
+import makeSonos from "./sonos";
+
+const PORT = 3000;
+
+makeSonos().then((sonos) => {
+  const app = express();
+  app.use(express.static("./web/public"));
+
+  app.engine("eta", Eta.renderFile);
+  app.set("view engine", "eta");
+  app.set("views", "./web/views");
+
+  app.get("/", (_, res) => {
+    res.render("index", {
+      devices: sonos.devices(),
+    });
+  });
+
+  app.listen(PORT, () => {
+    console.info(`Listening on ${PORT}`);
+  });
+});