README: make twine happy
The recent release failed to upload due to invalid ReStructured Text. Oops. While at it, I fixed another warning about a missing content type declaration.
--HG-- branch : 1.0.x
This instance will be upgraded to Heptapod 18.0.1 on 2025-07-10 between 14:00 and 15:00 UTC+2
The recent release failed to upload due to invalid ReStructured Text. Oops. While at it, I fixed another warning about a missing content type declaration.
--HG-- branch : 1.0.x