zImage kernel version 6.18.18 for bubbagen

add kernel 6.18.18

 * added netfilter `set` match type support

zImage kernel version 6.12.38 for bubbagen

add kernel 6.12.38

zImage kernel version 6.6.13 for bubbagen

add kernel 6.6.13

add kernel 6.1.41

 - lose the 'b3' postfix in the file names as they don't comply with
   the kernel version

zImage kernel version 6.1.12 for bubbagen

add kernel 6.1.12

zImage kernel version 5.15.41 for bubbagen

add kernel 5.15.41

zImage kernel version 5.15.32-r1 for bubbagen

Add config for kernel 5.15.32-r1

zImage kernel version 5.10.27 for bubbagen

add config for kernel version 5.10.27

features support for WireGuard VPN

zImage kernel version 5.4.66 for bubbagen

fix breakage of nftables in kernel 5.4.66

zImage kernel version 4.19.52 for bubbagen

Add config for kernel version 4.19.52