feat(sgw): Add new services and utilities for ship, trip, and photo management

src/constants/index.ts

@@ -5,6 +5,9 @@ export const DATE_TIME_FORMAT = 'DD/MM/YYYY HH:mm:ss';
 export const TIME_FORMAT = 'HH:mm:ss';
 export const DATE_FORMAT = 'DD/MM/YYYY';
 
+export const DURATION_DISCONNECTED = 300; //seconds
+export const DURATION_POLLING_PRESENTATIONS = 120000; //milliseconds
+
 export const STATUS_NORMAL = 0;
 export const STATUS_WARNING = 1;
 export const STATUS_DANGEROUS = 2;