Replace attached files into /EFI/Clover and try again
The Extra folder is use for Chameleon boot loader, not relevant for Clover install.
Make sure you have BIOS set to AHCI
Try this guide
https://www.insanelymac.com/forum/topic/288795-guide-creating-os-x-usb-installer-using-a-windows-pc-only/?do=findComment&comment=2012539
@z1326
add boot arg to Config.plist and install FakePCIID.kext + FakePCIID_Intel_HDMI_Audio.kext
-igfxnohdmi
For Brightness control for this model, use
Fn+F3 = Dim
Fn+Insert = Increase brightness
@hansimglück2
Please post new debug