add sphinx configuration to rtd.yaml

Signed-off-by: foamyguy <foamyguy@gmail.com>

Merge pull request #42 from jposada202020/adding_displayio_example

adding_displayio_example

remove deprecated get_html_theme_path() call

Signed-off-by: foamyguy <foamyguy@gmail.com>

Merge pull request #34 from garyk10/patch-1

using _all_channels to update efficiently

Merge pull request #39 from FoamyGuy/docs_req_fixes

unpin sphinx and add sphinx-rtd-theme to docs reqs

Merge pull request #38 from adafruit/fix_rtd_theme

fix rtd theme

Merge pull request #37 from adafruit/dev/fix-pylint-jquery

Update .pylintrc, fix jQuery for docs

Merge pull request #36 from tekktrik/main

Fixed pylint issues

Merge pull request #33 from adafruit/stemma_i2c

Added commented out board.STEMMA_I2C with explanation

Merge pull request #32 from adafruit/pylint-fix

Fixed linting