README: Add all the basic info
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Explain what is produced from the repo: flatpak runtimes, GNOME releases and GNOME OS images -
Explain how the GNOME OS / flatpak runtimes are built (fdsdk, etc) -
Explain how to download and install GNOME OS -
in VM -
in bare metal
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How to build flatpak runtimes -
How to build GNOME OS -
Add a FAQ section
Some doc is at https://gitlab.gnome.org/GNOME/gnome-build-meta/-/wikis/home, maybe we can move some parts
Edited by Javier Jardón