Boys can't buy my love

v0.1.1 is a patch release with minor changes to functionality:

• Updates maintainer email address
• Automatically detect data columns that match argument names (thanks @gadenbuie #41)
• Fixed an internal error when tags and labels aren't used with the cards
  (thanks @sciencificity #31, @gadenbuie #38).
• label_colour and border_colour now default to NULL (inherit from parent)
• Added bslib as a suggested package (thanks @jsta #32)
• Added a NEWS.md file to track changes to the package.