Create ups_adj.html

New plugin (OpenSprinkler Pi UPS monitor settings). This plugin checked power line for system. UPS (uninterrupted power supply). If is error with power line in a certain time, sends plugin email with error and shutdown system (and generate pulse to GPIO). (Power line is connected via optocoupler between GPIO 23 - pin 16 and ground) . Output on GPIO 24 - pin 18 (via optocoupler open colector and ground) to UPS for shutdown battery in UPS.