install socket io and getting an example up

app/assets/javascripts/socketio.js

@@ -0,0 +1,20 @@
+const socket = io();
+const jobId = document.querySelector("[data-job-id]").dataset.jobId;
+
+socket.on('connect', () => {
+  console.log('Connected to server');
+});
+
+
+  // Join a room
+  socket.emit("join", { room: `job-${jobId}` });
+  console.log("🧠 Joined room:", `job-${jobId}`);
+
+  // Listen for job updates
+  socket.on("job_update", function (data) {
+    const el = document.querySelector(`[data-key="${data.key}"]`);
+    if (el) {
+      el.textContent = "✅ Real-time update success!";
+      el.classList.add("text-success"); // Add a class instead
+    }
+  });