Usability release

Minor release containing usability changes:

• The help text wraps at 80 columns instead of 100.
• Added support for two environment variables, WORDLEBOT_THEME and WORDLEBOT_LIMIT which provide values for the respective command line options.

Minor release

This release has been published to https://crates.io. Since a project already existed with the name webster, this project was renamed to wordlebot.

Initial public release

This version plays a decent game at solving the daily Wordle so it's time to release it.