#170 Adjust sensors telemetry documentation

[kalosar]

1. Updated Temperature indoor:

   • Renamed "Temperature inside average" to "Temperature indoor" for consistency..
   • Changed the refresh interval from 1/min to 6/min.
   • Expanded the data to provide temperatures from specific indoor sensors:
     • Front (tempfront)
     • Middle (tempmiddle)
     • Rear (temprear)
   • Included option to still provide temperature indoor average if the specific sensors are not available through the subid tempavg.
   • Added units and resolution details for indoor temperature.

2. Standardised Boolean Representation:

   • Updated the value to boolean for Wall charger connected.
   • Updated the value to boolean for Fast charger connected.
   • Updated the value to boolean for Charging active.
   • Updated the value from true/false to boolean for Windscreen wiper active.

3. Enhanced Accelerometry Metrics:

   • Changed the refresh interval from 1/min to 6/min.
   • Introduced standardised naming for the measurement intervals. All related metrics now use "last interval" instead of "last minute".
   • Updated value types to float and moved unit to remarks.

4. Clarifications in Temperature outdoor:

   • Renamed "Outdoor temperature" to "Temperature outdoor" for consistency.

5. JSON Schema Examples

   • Added example json for each telemetry type