XF 2 Allow Moderators to View Forum while board is Inactive

Compatible XF 2.x versions 2.0
I remember seeing a tutorial out there for XenForo 1.x but now with the release of Xenforo 2, I decided to make a refined version of it. You can view the

This tutorial is not hard and I find this modification quite useful if you want your staff/forum moderators to be able to view the forum while you're working on it. Also, it can be easily disabled in the ACP.

I'm making this tutorial as noob friendly as possible by explaining each possible step.

Before we get to the first step, you're going to want to enable Debug Mode in the config.php located at ~/src/config.php, you can do this by adding this to the end of the file: