## TODO
- [x] support command line options to skip prompts
- [ ] support bootloader update (e.g. `update-grub`)
- [ ] support `genkernel` as beside `dracut` for initramfs
- [x] before copying to boot folder, backup old kernel and ramfs to fallback version
- [ ] add indicator for current installed kernel version
- [x] cli flag for opening make menuconfig
- [x] support new config flags for new kernel versions