Improve local setup and README (#291)

skyvern-frontend/localServer.js

@@ -0,0 +1,25 @@
+import { createServer } from "http";
+import handler from "serve-handler";
+import open from "open";
+
+const port = 8080;
+const url = `http://localhost:${port}`;
+
+const server = createServer((request, response) => {
+  // You pass two more arguments for config and middleware
+  // More details here: https://github.com/vercel/serve-handler#options
+  return handler(request, response, {
+    public: "dist",
+    rewrites: [
+      {
+        source: "**",
+        destination: "/index.html",
+      },
+    ],
+  });
+});
+
+server.listen(8080, async () => {
+  console.log(`Running at ${url}`);
+  await open(url);
+});