Add an alias for /development/wiki/GetABacktrace to the debugging page

Testing Done:
Ran `npm hugo:server` and verified that `/development/wiki/GetABacktrace` redirected to `/development/debugging'

Reviewed at
title: Help
date: 2019-05-20T03:45:13.000Z
lastmod: 2019-08-21T04:05:48.000Z
weight: 50
We get asked questions about Pidgin a lot. Many of those questions are actually
the same questions over and over. Here we assemble a lot of them for your
benefit, hoping that these questions and answers allow you to help yourself