Sphinx-polyversion

Thanks to vpratz for his valuable contributions!

Major
* Allow nested templates for root by vpratz in https://github.com/real-yfprojects/sphinx-polyversion/pull/13
* Allow running builds sequentially by vpratz in https://github.com/real-yfprojects/sphinx-polyversion/pull/14
* Allow passing additional environment variables to venv by vpratz in https://github.com/real-yfprojects/sphinx-polyversion/pull/19
* Add option to use temporary venv to Pip by vpratz in https://github.com/real-yfprojects/sphinx-polyversion/pull/20

Minor
* Fix passing a dict for `builder`. by real-yfprojects in https://github.com/real-yfprojects/sphinx-polyversion/pull/28
* Add API doc. Use autosummary to generate docs for each module. by vpratz in https://github.com/real-yfprojects/sphinx-polyversion/pull/23
* [docs] List a few alternative projects by real-yfprojects in https://github.com/real-yfprojects/sphinx-polyversion/pull/10
* [docs] Branch to get started on by real-yfprojects in https://github.com/real-yfprojects/sphinx-polyversion/pull/12
* [docs] Fix redirect text in index.html by real-yfprojects in https://github.com/real-yfprojects/sphinx-polyversion/pull/18
* Throw error when trying to activate non-existing venv by vpratz in https://github.com/real-yfprojects/sphinx-polyversion/pull/22
* Update dev deps by real-yfprojects in https://github.com/real-yfprojects/sphinx-polyversion/pull/24

New Contributors
* vpratz made their first contribution in https://github.com/real-yfprojects/sphinx-polyversion/pull/13

**Full Changelog**: https://github.com/real-yfprojects/sphinx-polyversion/compare/1.0.0...1.1.0

What's Changed
* Fix some bugs.
* [chore] Fix 2. by real-yfprojects in https://github.com/real-yfprojects/sphinx-polyversion/pull/3
* [chore] Update dependencies and fix new complains. by real-yfprojects in https://github.com/real-yfprojects/sphinx-polyversion/pull/4
* [docs] Add code commentary to poetry venv creation. by real-yfprojects in https://github.com/real-yfprojects/sphinx-polyversion/pull/8
* [tests] Write tests and achieve a coverage of 70% by real-yfprojects in https://github.com/real-yfprojects/sphinx-polyversion/pull/9

**Full Changelog**: https://github.com/real-yfprojects/sphinx-polyversion/compare/0.5.0...1.0.0

This initial release contains all the main features but only some use cases are actually tested and confirmed to be working. Bug reports are welcomed as well as help with writing the missing unit and integration tests.