Add pandoc PDF alias

hosts/home.nix

@@ -105,6 +105,10 @@ in
     # Change to directory when exiting ranger with Q
     # https://github.com/ranger/ranger/issues/1554#issuecomment-491650123
     bashrcExtra = ''
+      function pdf {
+        pandoc "$1" -o "''${1%.*}.pdf" -V colorlinks=true -V linkcolor=blue
+      }
+
       function ranger {
         local IFS=$'\t\n'
         local tempfile="$(mktemp -t tmp.XXXXXX)"