feat: Add CalendarSelector component and install new dependencies.

node_modules/rxjs/dist/esm5/internal/operators/delay.js

@@ -0,0 +1,9 @@
+import { asyncScheduler } from '../scheduler/async';
+import { delayWhen } from './delayWhen';
+import { timer } from '../observable/timer';
+export function delay(due, scheduler) {
+    if (scheduler === void 0) { scheduler = asyncScheduler; }
+    var duration = timer(due, scheduler);
+    return delayWhen(function () { return duration; });
+}
+//# sourceMappingURL=delay.js.map