build: updated CMakeLists to build and copy to initramfs wip(syscalls): initial syscalls chore(ksh/kfetch): minor changes chore(gitignore): added initramfs/*
- core: added CPIO parser (fs/cpio.c) and VFS structs - shell: refactored ksh, added 'help' command - lib: added string utils (strcpy, strncpy, strncmp) - wip: working on initramfs loading in kmain