Add web front-end and fix API issues

node_modules/rxjs/dist/esm/internal/util/ArgumentOutOfRangeError.js

@@ -0,0 +1,7 @@
+import { createErrorClass } from './createErrorClass';
+export const ArgumentOutOfRangeError = createErrorClass((_super) => function ArgumentOutOfRangeErrorImpl() {
+    _super(this);
+    this.name = 'ArgumentOutOfRangeError';
+    this.message = 'argument out of range';
+});
+//# sourceMappingURL=ArgumentOutOfRangeError.js.map