Added cron event handler

src/interfaces/Cron.ts

@@ -0,0 +1,19 @@
+import { CronCommand } from "cron"
+import { TimeZones } from "."
+
+interface TimeFormat {
+    seconds: "*" | number
+    minutes: "*" | number
+    hours: "*" | number
+    dayOfMonth: "*" | number
+    month: "*" | number
+    dayOfWeek: "*" | number
+}
+
+export default interface Cron {
+    time: TimeFormat
+    execute: () => void
+    onComplete?: null | undefined
+    start?: boolean | null | undefined
+    timeZone: keyof TimeZones
+}