Add support for `YT3`

[grazy58]

Is your device already requested?

• I have searched the existing issues

Brand

LENOVO

Name

YT3 X90F

Device code

Device with code 'YT3' is not supported yet.

Model

No response

Device images

Do you own the device and would be willing to test the installer?

• I own the device and am willing to test the installer on it.

Additional context

[SirRGB]

While I did find twrp, I did not see any custom rom, so I think you are out of luck.

https://xdaforums.com/t/yoga-tab-3-pro-root-thread-instructions-and-needed-files.3319666/