add trigger control for a hard-line sync pin trigger

[flynneva]

• current setup doesnt let you configure the trigger mode at all
• we should add it as a few parameters (Trigger activated, trigger delay, etc.)

[flynneva]

going to try and add this over the next few days

[flynneva]

still untested but getting there: https://github.com/flynneva/peak_cam/tree/feature/add_trigger_option