Moonlight.3 (5.3.0-alpha.2)

This preview is a minor incremental against 5.3.0-alpha.1 mainly bringing some improvements on encryption support

features

• add support for protocol encryption during device configuration
• added 'humidity' property to climate entity for supporting devices (MTS200 as in #459)

fixes

• fix complaint from HA core about 'blocking call in loop thread' (triggered when activating device tracing)