feat: Add CalendarSelector component and install new dependencies.

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

@@ -0,0 +1,17 @@
+import { operate } from '../util/lift';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+export function every(predicate, thisArg) {
+    return operate(function (source, subscriber) {
+        var index = 0;
+        source.subscribe(createOperatorSubscriber(subscriber, function (value) {
+            if (!predicate.call(thisArg, value, index++, source)) {
+                subscriber.next(false);
+                subscriber.complete();
+            }
+        }, function () {
+            subscriber.next(true);
+            subscriber.complete();
+        }));
+    });
+}
+//# sourceMappingURL=every.js.map