* Switch to flakehub
* Diagnostics: support user-defined attribution.
Allows a user to specify an additional value to associate their diagnostics with that value. nix-installer doesn't generate or store these values, and most users have no need for it.
* Respond to feedback
* Add SELinux support
* Nits
* Fix spellcheck
* Don't store mod, use locked shell
* Unwhoops a stale comment
* Speeling: Myy aarch neemesis
* Fix lost code:
* Add method note
* Some pre-release tidy and add is_ci to diagnostics
* Bump locks
* Fixup cargo-audit raised issues
* Remove a spare 'I' which we were saving for later
* rename a field
* failure_variant, not error_variant
* Add metadata do Cargo.toml
* Add docs link
* wip
* Get it mostly working
* Handle empty channels, local files, offline mode
* Get them working
* Expand CONTRIBUTING.md
* Expand more
* Correct some formatting/mistypes
* More notes about steps
* Correct speeling
* Improve ubuntu naming
* Add note about specific branch/checkout testing
* Review corrections
* Change match to if
