Preparing for public release

[elpdt852]

We should update this as we think more things to do:

• Static-analysis & linting
• Test coverage
• Godocs badge
• Go report card
• Unit tests
• Integration tests
• Docs on usage with containerd standalone
• Docs on usage with k8s
• Package nix-snapshotter in nixpkgs

[rbpdt]

• Add dependabot

[rbpdt]

• Logo
• Diagrams
• Benchmark & Graphs
• asciinema?

[brotherdust]

This software is brilliant and could not have come at a better time! I will put it to good use. Thank you kindly!

[elpdt852]

Created upstream PR to nixpkgs to package nix-snapshotter: NixOS/nixpkgs#289682

[steveej]

@elpdt852

* [ ]  Docs on usage with containerd standalone

i imagine i'm missing a setup setup here, would be nice to get documented whatever is missing in this case:

$ sudo -E nerdctl --snapshotter=nix run --privileged --rm "nix:0$(nix build --impure .#image --print-out-paths):latest"
INFO[0000] trying next host                              error="failed to do request: Head \"https://nix:0/v2/nix/store/a0f150y8p4gbfm0aldap3nyp9ca4hfb5-nix-image-mycelium.tar/manifests/latest\": dial tcp: lookup nix: no such host" host="nix:0"
FATA[0000] failed to resolve reference "nix:0/nix/store/a0f150y8p4gbfm0aldap3nyp9ca4hfb5-nix-image-mycelium.tar:latest": failed to do request: Head "https://nix:0/v2/nix/store/a0f150y8p4gbfm0aldap3nyp9ca4hfb5-nix-image-mycelium.tar/manifests/latest": dial tcp: lookup nix: no such host