MO-Gymnasium 0.3.1 Release: Improved documentation and MuJoco MO-Reacher environment

This minor release adds "mo-reacher-v4", a MuJoco version of the Reacher environment, fixes a bug in Lunar Lander and improves the library documentation.

Environments

• Add mo-reacher-v4 by @LucasAlegre in #25

Documentation

• Use readme info directly in website by @ffelten in #26
• Add pydoc to all environments by @LucasAlegre in #31

Bug Fixes

• Hotfix lunar lander by @ffelten in #27
• MORecordEpisodeStatistics return scalars when not VecEnv by @ffelten in #30

Full Changelog: 0.3.0...0.3.1