added new.nix shell function

modules/zsh.nix

@@ -7,6 +7,9 @@ with import <nixpkgs> {};
     # Make user colour green in prompt instead of default blue
     #zstyle ':prompt:grml:left:items:user' pre '%F{green}%B'
     export QUOTING_STYLE=literal
+    new.nix() {
+      echo -e '{ ... }:\n{\n\n}\n# vim: set et ts=2 sw=2 ai:' >> "$1"
+    }
   '';
   promptInit = ""; # otherwise it'll override the grml prompt
   syntaxHighlighting = {