feat: Add CalendarSelector component and install new dependencies.

node_modules/rxjs/dist/esm5/internal/util/subscribeToArray.js

@@ -0,0 +1,7 @@
+export var subscribeToArray = function (array) { return function (subscriber) {
+    for (var i = 0, len = array.length; i < len && !subscriber.closed; i++) {
+        subscriber.next(array[i]);
+    }
+    subscriber.complete();
+}; };
+//# sourceMappingURL=subscribeToArray.js.map