add audioRenderer + ipc event listeners

src/preload.ts

@@ -6,3 +6,15 @@ interface Window {
   ipcRenderer: typeof ipcRenderer;
 }
 window.ipcRenderer = ipcRenderer;
+
+process.once("loaded", () => {
+  window.addEventListener("message", event => {
+    // do something with custom event
+    const message = event.data;
+
+    if (message.myTypeField === "audio-stream") {
+      ipcRenderer.send("audio-stream", message);
+    }
+  });
+});
+