add sphinx configuration to rtd.yaml

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

Merge pull request #131 from dhalbert/missing-doc

Add inadvertently omitted __init__.py docs, and fix indentation

remove deprecated get_html_theme_path() call

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

Merge pull request #128 from dhalbert/usb-hid-keyboard

keyboard.py: allow 'import usb_hid' to fail

Merge pull request #125 from dhalbert/fix-class-docs

update conf.py; fix indentations in constructor docstrings

Merge pull request #124 from pythonmcpi/patch-1

Add constants for mouse back and forward

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

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

Merge pull request #122 from dhalbert/ble-device-no-wait

Do not wait for USB for non-USB HID devices

"fix rtd theme

"

Merge pull request #118 from eightycc/issue_117

Fix #117: Rework host USB ready timeout