v0.1.0

What's Changed

• [Backgammon] Fix reward to zero-sum by @nissymori in #524
• [Backgammon] Update illegal action penalty by @sotetsuk in #526
• [Backgammon] Tidy illegal action penalty by @sotetsuk in #527
• [Visualizer] Tidy by @sotetsuk in #523
• [Refactor] Making some module internals by @sotetsuk in #528
• [Visualizer, Hex] Fix bug by @sotetsuk in #529
• [Tidy] Rename validate to test_api by @sotetsuk in #530
• [Tidy] Make games under construction internals by @sotetsuk in #531
• [Bug] Fix bug in test_api by @sotetsuk in #532
• [Bug] Rename test_api to api_test by @sotetsuk in #533
• [API] Add api_test to public api by @sotetsuk in #535
• [API] Add set_visualization_config to public API by @sotetsuk in #536
• [API] Update EnvId by @sotetsuk in #538
• [Docs] Tidy documents and hide random scripts by @sotetsuk in #539

Full Changelog: v0.0.26...v0.1.0