implement osis actor

examples/scripts/calendar.rhai

@@ -0,0 +1,16 @@
+// calendar.rhai
+
+let new_event = new_event()
+    .title("Team Meeting")
+    .description("Weekly sync-up")
+    .location("Virtual")
+    .add_attendee(new_attendee(1).status("Accepted"))
+    .reschedule(1672531200, 1672534800) // Example timestamps
+    .save_event();
+
+let new_calendar = new_calendar("Work Calendar")
+    .description("Calendar for all work-related events")
+    .save_calendar();
+
+print(new_calendar);
+print(new_event);