feat: Add CalendarSelector component and install new dependencies.

node_modules/rxjs/dist/cjs/internal/symbol/iterator.js

@@ -0,0 +1,12 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.iterator = exports.getSymbolIterator = void 0;
+function getSymbolIterator() {
+    if (typeof Symbol !== 'function' || !Symbol.iterator) {
+        return '@@iterator';
+    }
+    return Symbol.iterator;
+}
+exports.getSymbolIterator = getSymbolIterator;
+exports.iterator = getSymbolIterator();
+//# sourceMappingURL=iterator.js.map