cloud-init: New user tutorial with QEMU

1. "QEMU tutorial debugging": https://cloudinit.readthedocs.io/en/latest/tutorial/qemu-deb... (cloudinit.readthedocs.io/en/latest/tutorial/qemu-debugging.html)

2. "SMBIOS Reference Specification": https://www.dmtf.org/standards/smbios

3. "QEMU User Documentation": https://www.qemu.org/docs/master/system/qemu-manpage.html

4. See also: https://old.reddit.com/r/MotoG/comments/1iie8t5/motorola_mot... (old.reddit.com/r/MotoG/comments/1iie8t5/motorola_moto_g_play_2024_smartphone_android_14/mgrml5v/)

5. "cloud-init script for VPS": https://gist.github.com/NatElkins/20880368b797470f3bc6926e35... (gist.github.com/NatElkins/20880368b797470f3bc6926e3563cb26)