To be added as an extra package in addition to the main esp32-s3-box-3.yaml

Provides
---------

Sensors:
 - battery voltage (hidden)
 - battery level %

Binary Sensor:
 - Presence detect (occupancy)

Number:
 - Presence duration (timeout to keep Presence detect true, default 300 seconds)

Switch:
 - Mute when absent (microphone and backlight off for low power)

Move to more generic folder

update name and friendly_name substitutions to add `Sensor`

Generic template to give battery level and radar on the sensor dock of the box 3

Add comments on purpose and use

added clarification that it is for the radar and battery in the sensor dock.

As per suggestion from @balloob

….yaml

As per suggestion from @balloob

…-assistant.yaml

Typo correction

Added instruction on how to add to device yaml

Change battery level % to whole numbers only to reduce recorder usage.

fix indentation

linting fixes

comment indentation

Suggestions committed

publish initial state of radar on start up to counter the device starting up muted.