Release v0.2.1

Release atsphinx-stlite v0.2.1

• Changelog is https://github.com/atsphinx/stlite/blob/v0.2.1/CHANGES.rst
• Diff is v0.2.0...v0.2.1/

Release v0.2.0

Release atsphinx-stlite v0.2.0

• Changelog is https://github.com/atsphinx/stlite/blob/v0.2.0/CHANGES.rst
• Diff is v0.1.0...v0.2.0/

Release v0.1.0

Release atsphinx-stlite v0.1.0

• Changelog is https://github.com/atsphinx/stlite/blob/v0.1.0/CHANGES.rst
• Diff is v0.0.0...v0.1.0/