Added in the "how_to_contribute.rst" file at the bottom of the index.rst file so it will show up in the readthedocs page.
Added in the "how_to_contribute.rst" file at the bottom of the index.rst file so it will show up in the readthedocs page.

VUIIS/dax,MattVUIIS/dax,MattVUIIS/dax,MattVUIIS/dax,MattVUIIS/dax,VUIIS/dax