Sensor-state-data

Fix

* Fix license classifier ([61](https://github.com/Bluetooth-Devices/sensor-state-data/issues/61)) ([`135d7ff`](https://github.com/Bluetooth-Devices/sensor-state-data/commit/135d7ff3e2cf0dece8cf430027d0c46a79104360))

Feature

* Allow name to be None ([59](https://github.com/Bluetooth-Devices/sensor-state-data/issues/59)) ([`d321c31`](https://github.com/Bluetooth-Devices/sensor-state-data/commit/d321c3196514a5a518340fe27e86b02b48bd87e3))

Fix

* Remove unwanted scale sensors ([57](https://github.com/Bluetooth-Devices/sensor-state-data/issues/57)) ([`9ed2d0b`](https://github.com/Bluetooth-Devices/sensor-state-data/commit/9ed2d0b586d4bcc93574d9de0cf5e0974509760e))

Feature

* Add sensors for scales ([56](https://github.com/Bluetooth-Devices/sensor-state-data/issues/56)) ([`8c3160e`](https://github.com/Bluetooth-Devices/sensor-state-data/commit/8c3160e89a7f49a0b96b010613784936c667d476))

Fix

* Ensure events are only kept for a single update cycle ([53](https://github.com/Bluetooth-Devices/sensor-state-data/issues/53)) ([`304a844`](https://github.com/Bluetooth-Devices/sensor-state-data/commit/304a844009204a524c0ad29821765e43288b44ca))

Feature
* Add sensor description for pressure in hPa ([52](https://github.com/Bluetooth-Devices/sensor-state-data/issues/52)) ([`8e06dc8`](https://github.com/Bluetooth-Devices/sensor-state-data/commit/8e06dc850830d7bc83a1295646788fb863edf8a8))