Add support for other features - resolution, alarm, etc.

[caternuson]

Brought up on discord. Opening here for tracking.

These comment lines look like notional TODOs:

Adafruit_CircuitPython_MCP9808/adafruit_mcp9808.py

Lines 48 to 52 in 24e633c

	# alert_lower_temperature_bound
	# alert_upper_temperature_bound
	# critical_temperature
	# temperature
	# temperature_resolution

for adding properties for these additional MCP9808 features.