Add MAX_/MIN_SETPOINT constants

Author: bouwew

plugwise/constants.py

@@ -381,6 +381,8 @@
 DEFAULT_PORT: Final = 80
 NONE: Final = "None"
 FAKE_LOC: Final = "0000aaaa0000aaaa0000aaaa0000aa00"
+MAX_SETPOINT: Final = 40
+MIN_SETPOINT: Final = 0
 SEVERITIES: Final[list[str]] = ["other", "info", "warning", "error"]
 SPECIAL_FORMAT: Final[list[str]] = [ENERGY_KILO_WATT_HOUR, VOLUME_CUBIC_METERS]
 SWITCH_GROUP_TYPES: Final[list[str]] = ["switching", "report"]