Fix default Roboto font not being found by the matplotlib FontManager (…

…sphinx-doc#116)

feat: allow specifying a custom font for the card text (sphinx-doc#110)

* feat: allow specifying a custom font for the card text

* docs: write "Customize the text font" section

* fix: apply black

FIX: Social media twitter card tags (sphinx-doc#101)

Add exception for SVG images (sphinx-doc#97)

* Add exception for SVG images

* posix to str

* Mini svg as well

* Document image svg

* Lower

* Better social image path validation

* Fix test

* Black

* Check for None

ENH: Add social card previews (sphinx-doc#88)

* First pass at adding social card previews

* Refactor social card generation

* Fixing tests

* Document nox

* Package data

* Fix plt objects path

* Add matplotlib to dev requirements

* Run black

* Fix path separator

* Blackify everything

* Extra strip

* Strip image path

* Oh god please fix it

* Strips

check for description length before subscripting (sphinx-doc#90)

Use Sphinx Builder method to get page url (sphinx-doc#89)

Take default og:site_name from sphinx `project` config value (sphinx-…

…doc#83)

Also publish sdist to PyPI (sphinx-doc#82)

Don't run CI on tag and push (sphinx-doc#80)

Tags are Pushes.