Release v0.11.0

GitHub Actions workflow

Single line description only

PyPi doesn't render markup properly, and anyway we have relative links
that won't resolve. Need to spend a bit more time on this.

Merge pull request python-eel#126 from ChrisKnott/shw-none-concat

 Check if using templating before concat

Merge pull request python-eel#121 from ChrisKnott/shw-only-render-tem…

…plates

Only render jinja templates

Update setup.py

Merge pull request python-eel#113 from ChrisKnott/shw-fix-jinja-example

Fix jinja example; add changelog and bump version