Dont expose check as part of pkgs

README.md

···
 ### Running treefmt on your code
 
 ```shell
-# see if code is formatted
-nix run github:vic/checkmate#check-treefmt --override-input target path:$PWD -L
-
 # formatting your code
 nix run github:vic/checkmate#treefmt -- $PWD
+
+# see if code is formatted
+nix run github:vic/checkmate#treefmt -- --ci $PWD
 ````
 
 ### Running nix-unit tests locally

treefmt.nix

···
     in
     {
       packages.treefmt = treefmt-wrapper;
-      packages.check-treefmt = treefmt-check;
       checks.checkmate-treefmt = treefmt-check;
       lib.checkmate-treefmt = treefmt.config.build.check;
     }