Merge pull request #525 from bytewax/prep-v0.21.1

Prepare v0.21.1 release

Merge pull request #497 from bytewax/docs-commonroom-script

Add Common Room tracking script to the docs

Merge branch 'docs-commonroom-script' into HEAD

Bump version to v0.20.0

Forgot to change docs sidebar globs when moving dirs

Merge pull request #423 from bytewax/prepare_0.19.0

Prepare for v0.19.0 release

Fixes broken xrefs

Merge pull request #368 from bytewax/prepare_0.18.1

Prepare for 0.18.1

Merge pull request #355 from bytewax/docs-v0.18-fixes

Docs v0.18 fixes

Merge pull request #306 from bytewax/release-0.17.2

Prepare for 0.17.2 release.