Add web front-end and fix API issues

node_modules/rxjs/dist/esm/internal/operators/max.js

@@ -0,0 +1,6 @@
+import { reduce } from './reduce';
+import { isFunction } from '../util/isFunction';
+export function max(comparer) {
+    return reduce(isFunction(comparer) ? (x, y) => (comparer(x, y) > 0 ? x : y) : (x, y) => (x > y ? x : y));
+}
+//# sourceMappingURL=max.js.map