v0.5.2: README: document latest tag (#122)

[gmodena]

Version 0.5.2 implements a new workflow to automatically track the latest release tag.

You can now track the latest stable release of nix-flatpak with:

nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=latest";

Or alternatively:

nix-flatpak.url = "github:gmodena/nix-flatpak/latest";

No new features of bug fixes are shipping with this release.

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This discussion was created from the release v0.5.2: README: document latest tag (#122).