add sphinx configuration to rtd.yaml

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

remove deprecated get_html_theme_path() call

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

Merge pull request #58 from adafruit/docs_req_fixes

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

Merge pull request #57 from adafruit/fix_rtd_theme

fix rtd theme

Merge pull request #56 from adafruit/dev/fix-pylint-jquery

Update .pylintrc, fix jQuery for docs

Merge pull request #55 from tekktrik/precommit-update

Updated pre-commit, reformatted

Merge pull request #52 from steka/improve_font_to_bin

Reformat font data to make it easier to view and change.

Merge pull request #50 from jedahan/gs2_hmsb

Add 2bit grayscale support

Merge pull request #48 from philsuth/rgb565

Add RGB565 format support

Use year duration range for copyright attribution