Added cp.org link to index.rst

Set language to "en" for documentation

Signed-off-by: Alec Delaney <tekktrik@gmail.com>

Merge pull request adafruit#86 from tekktrik/hotfix/require-python-ve…

…rsion-pt2

Update requirements.txt for Blinka>=7.0.0

Merge pull request adafruit#85 from tekktrik/hotfix/require-python-ve…

…rsion

Require Python version >= 3.7.0

Merge pull request adafruit#84 from dhalbert/circuitpython_typing

require adafruit-circuitpython-typing

Fixed readthedocs build

Signed-off-by: dherrada <dylan.herrada@adafruit.com>

Merge pull request adafruit#79 from dhalbert/fix-typing-imports

fix typing-only imports

Merge pull request adafruit#76 from tekktrik/doc/consolidate-readme

Consolidate Documentation sections of README

Updated docs link, updated python docs link, updated setup.py

Updated readthedocs file

Signed-off-by: dherrada <dylan.herrada@adafruit.com>