fix(container-use): add cu symlink to main binary

packages/container-use/package.nix

@@ -23,6 +23,10 @@ buildGoModule rec {
 
   doCheck = false;
 
+  postInstall = ''
+    ln -s $out/bin/container-use $out/bin/cu
+  '';
+
   ldflags = [
     "-s -w -X main.version=v${version}"
   ];