Release 1.0.0 beta 1

This pre-release contains:
Changes :

• Add a temperature configuration for present / not present for each preset #1 #1
• Limits the usable presets #2
• Add service to update the temperature of a preset #4
• Use person.xxx as presence detector directly #6
• Make external temperature sensor mandatory for TPI mode #7
• Hide preset that are not configured #9
• Add a service to force the presence or non presence #10
• Rename coeff_c and coeff_t to coeff_int et coeff_ext #11

Bug fix:

• Cannot remove entity_id in configuration #12

TODO : update documentation.

KNOWN BUGS: https://github.com/jmcollin78/versatile_thermostat/issues?q=is%3Aissue+is%3Aopen+label%3Abug