@castillofrancodamian, please refrain for opening multiple threads on the same topic: RTL8812AU in OpenWrt
As you noted in the thread above:
These links may help, some threads even noted developing a driver for OpenWrt.
https://forum.openwrt.org/search?q=RTL8812AU%20driver
https://forum.openwrt.org/search?q=RTL8812AU
And here: Rtl8812au and OpenWrt