Hidden Figures Launch

Honoring the Black mathematician Katherine Johnson whose calculations contributed to the Feb. 20, 1962, mission that made John Glenn the first American to orbit the globe, and had a spacecraft on its way to the ISS named after her: https://www.npr.org/2021/02/20/969790056/spacecraft-named-for-hidden-figures-mathematician-launches-from-virginia

Katherine Johnson

Having met Don Eyles who also worked on the Apollo Program a few months ago at Codemotion Milan 2019 and celebrating Black History Month 2021 with the API release last week, we dedicate the 2.1.2 Patch Release of Indriya to Katherine Johnson and her colleagues.

The corresponding GitHub release tag for the RI is: https://github.com/unitsofmeasurement/indriya/releases/tag/2.1.2
Fixing the following issues: https://github.com/unitsofmeasurement/indriya/milestone/8?closed=1