Update README.md

rtd doesnt support python 3.7

rtd fix

Adding nvcategory files, updating docs

Delete requirement.txt

Update builddocs_py36.yml

Fixed unicode and regex markdown doc files, bump version number to match Anaconda nvstrings release

Fixing flake8 issues, adding .md support to doc files, adding regex and unicode docs

Update and rename builddocs_py35.yml to builddocs_py36.yml

Update readthedocs.yml

Create builddocs_py35.yml

Create readthedocs.yml

Adding doc build setup

Initial commit