Support for nix flakes

[figsoda]

https://nixos.org/
https://nixos.org/manual/nix/unstable/command-ref/new-cli/nix3-flake.html

[sambacha]

can we know any updates on this?

[KateCatlin]

Hi all, thanks for the feedback here. This isn't in the short-term roadmap, but I'll keep it on our radar. Keeping this issue open for future comments/emoji upvotes.