feat(shell): add comby shell aliases

The main reason for this is to automatically exclude common directories form the
search and replace to speed things up a bit.

site-modules/core/files/oh-my-zsh/custom/comby.zsh

@@ -0,0 +1,11 @@
+#!/bin/zsh
+#
+# Alias for comby cli tool
+#
+# See: https://comby.dev/
+#
+# Author:  Ade Attwood <code@adeattwood.co.uk>
+# Updated: 2021-11-21
+#
+
+alias comby="comby -exclude-dir vendor,node_modules,.git,.log,logs,tmp,runtime,tests/_output"