Xiaomi Mi Router 4A Gigabit Edition (R4AG/R4A Gigabit) -- fully supported and flashable with OpenWRTInvasion

Made a new build.

Using an online repo now, most annoyances with kmod packages should be fixed I hope. No need to copy anything manually any more. If you were using the previous release that was made available in a big zip file, please update to this one.

Other than that, it includes a tweak suggested by @db260179 to define the image block size. May help to install it on some devices that had squashfs errors before (please provide feedback).

As an alternative, I strongly suggest to look at the thread @db260179 opened to share his work, check his work and provide him the most useful feedback, as some of his discoveries are looking very promising IMO.