* Define entity attributes as entity class variables
* Example coronavirus integration
* Example verisure
* Cleanup/typing fixes
* Fix Coronavirus
* Revert "Fix Coronavirus"
This reverts commit 060843860fe300f8448d0d2476de8963d5ddf5a2.
* Revert "Cleanup/typing fixes"
This reverts commit 659b79e75a97007f7181064e446c3e988c2d54bb.
* Define entity attributes as entity class variables (attr alternative)
* Example coronavirus
* Example nut
* Example verisure
* Mark private
* Cleanup after all reverting/cherrypicking/merging
* Implement all entity properties
* Update coronavirus example
* Update nut example
* Update verisure example
* Lets not talk about this one...
* Fix multiple class attribute
* Rename BinarySensorDevice to BinarySensorEntity
* Tweak
* Move deprecation warning to __new__, add test
* Move deprecation warning back to __init__
* Move deprecation warning to __init_subclass