v2.1.0-alpha.917

Changes

• docs: list the alpha.917 additions (7f9fd7d)
• feat(plugins): add a VeSync plugin for Levoit, Cosori and Etekcity devices (0b50cd7)
• fix(plugins): keep the stored config of a built-in that boots disabled (f3c9161)

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