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

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

Merge pull request adafruit#182 from RetiredWizard/main

Another settings.toml update, slightly different approach

"fix rtd theme

"

Merge pull request adafruit#181 from dhalbert/remove-wsgiserver-compl…

…etely

remove adafruit_esp32spi_wsgiserver.py

Merge pull request adafruit#167 from dhalbert/compatible-socket

Compatible socket

Update .pylintrc, fix jQuery for docs

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

Merge pull request adafruit#175 from rivques/main

Close adafruit#174 by sending entire webserver response to ESP32 in one go if possible

Merge pull request adafruit#173 from tekktrik/dev/add-optional-reqs

Add optional requirements to file

Use year duration range for copyright attribution

Fix version strings in workflow files