How to install the addon for Blender 2.8:
Video Install Tutorial: https://www.youtube.com/watch?v=jlki1bI77YA&feature=youtu.be
1.) Go to Edit- User preferences
2.) Go to the add-ons panel.
3.) Click on install add-on from file
4.) Find and Select the LightArchitect zip file that you downloaded from Blendermarket and click on "Install add-on from File".
5.) Select the checkbox next to your add-on and save your user preferences.
6.) The two Lightarchitect tabs will show up on the right panel in layout mode. Click on a button to add a 3d asset to your scene
7.) Start Creating!