docs(readme): Add repology badge to CLI installation section

README.md

@@ -9,6 +9,7 @@ A CLI utility (and Rust library) that resets the timestamps of files in a Git re
 
 For use as a Rust library, include in your `Cargo.toml` as documented on the [crates.io listing](https://crates.io/crates/git-warp-time) and use per [the API documentation](https://docs.rs/git-warp-time).
 
+<a href="https://repology.org/project/git-warp-time/versions"><img src="https://repology.org/badge/vertical-allrepos/git-warp-time.svg" align="right" alt="Packaging status"> </a>
 For use as a CLI utility, first check whether your distro has packages (e.g. [Arch Linux](https://archlinux.org/packages/extra/x86_64/git-warp-time/)).
 Otherwise you can run this repository as a Nix Flake with `nix run github:alerque/git-warp-time`, install just plain binary with `cargo install git-warp-time`, or download the [latest](https://github.com/alerque/git-warp-time/releases/latest) source release and use `./configure; make; make install` for a full installation that includes autcompletion for Zsh, Bash, Fish, Elvish, and PowerShell.