Update rpt.conf

Add event stanza to toggle gpio4 on COR (aka RPT_RXKEYED event).

Event is activated by adding 'events = event-cor_gpio4' in the user node settings, ie [xxxx](node-main).

configs/rpt/rpt.conf

@@ -524,6 +524,12 @@ idwait = 100                        ; Time to wait before starting ID
 unkeywait = 100                     ; Time to wait after unkey before sending CT's and link telemetry
 calltermwait = 2000                 ; Time to wait before announcing "call terminated"
 
+[event-cor_gpio4]
+; generally used to operate COR LED on hotspots
+; by adding 'events = event-cor_gpio4' under [xxxx](node-main)
+cop,62,GPIO4:1 = c|t|RPT_RXKEYED
+cop,62,GPIO4:0 = c|f|RPT_RXKEYED
+
 [memory]
 ;;;;; Remote base memories ;;;;;
 ; Memories for remote bases (not for repeaters or hotspots). Seldom used.