0.6.5

• Migrated to the new Home Assistant Fan Model for Air Purifiers and Humidifiers (fixes various preset_mode / operation mode issues)
• zhimi.airpurifier.ma4, zhimi.airpurifier.mb3: Retry failed requests
• zhimi.humidifier.ca4: Clean mode service added
• dmaker.airfresh.a1: Device support added
• leshow.fan.ss4: Device support added