Tutorial

Enable dev mode on your quest.
Download scrcpy
Copy scrcpy folder to app's folder.
Connect oculus to pc, and give permission for permanent connection of adb for this PC.
Tap "Check device".
When the oculus is found, a message with the model and IP will appear at the bottom. When the inscription appears, click "Show screen".
Yay!! Enjoy!

Bugs

Both eyes are broadcast.
When the pass-through camera is enabled, there may be artifacts in the broadcast.