feat(zsh): add alias for large file copies using rsync

nixos/home.nix

@@ -93,6 +93,10 @@ in {
 
       vim = "nvim";
       vi = "nvim";
+
+      # progress cp
+      # https://serverfault.com/questions/43014/copying-a-large-directory-tree-locally-cp-or-rsync
+      pcp = "rsync --info=progress2 --archive --hard-links --acls --xattrs --human-readable --sparse --stats";
     };
     initExtra = ''
       # enable jj completion