Add comin deployment tool (#226)

* Add `comin` deployment tool

* Update `comin` description

Co-authored-by: Cynthia Fox <cyntheticfox@gh0st.sh>

---------

Co-authored-by: Cynthia Fox <cyntheticfox@gh0st.sh>

Author: snaakey

README.md

@@ -83,6 +83,7 @@
 
 * [bento](https://github.com/rapenne-s/bento/) - A KISS deployment tool to keep your NixOS fleet (servers & workstations) up to date.
 * [Colmena](https://github.com/zhaofengli/colmena) - A simple, stateless NixOS deployment tool modeled after NixOps and morph.
+* [comin](https://github.com/nlewo/comin) - A deployment tool to continuously pull from Git repositories.
 * [deploy-rs](https://github.com/serokell/deploy-rs) - A simple multi-profile Nix-flake deploy tool.
 * [krops](https://cgit.krebsco.de/krops/about/) - A lightweight toolkit to deploy NixOS systems, remotely or locally.
 * [KubeNix](https://github.com/xtruder/kubenix) - A Kubernetes resource builder using Nix.