v2.1.0-alpha.903

Changes

• docs: list the alpha.903 additions, shorter notes (3a61c33)
• chore: shorter comments (41723d7)
• fix(#491): send one call when Alexa turns a light on at a level (0b949d8)
• fix(#490): clear a vacuum job once every room is done (9cc0fde)
• fix(#486): read a dishwasher's state from its state sensor (3bcbbc2)

⚠️ This is an alpha release - use at your own risk!