v3.0.0-rc.1

Features and improvements

• Add addLayer(), removeLayer(), setLayerVisibility() and getMapboxMap() to Map class
• Move getModelPosition() and getModelScale() from ThreeLayer class to Map class
• Use ThreeLayerInterface as custom three.js layer specification instead of ThreeLayer objects
• Use PluginInterface as plugin specification instead of Plugin objects
• Adjust polygon offsets
• Update Kanto Railway Joso line timetable
• Update Keikyu timetables
• Update Kominato Railway timetables
• Update Keisei and Hokuso timetables
• Update Keio timetables
• Update station groups
• Update the user guide and the developer guide
• Add new demo videos to README