Add web front-end and fix API issues

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

@@ -0,0 +1,12 @@
+import { operate } from '../util/lift';
+import { mergeAll } from './mergeAll';
+import { popNumber, popScheduler } from '../util/args';
+import { from } from '../observable/from';
+export function merge(...args) {
+    const scheduler = popScheduler(args);
+    const concurrent = popNumber(args, Infinity);
+    return operate((source, subscriber) => {
+        mergeAll(concurrent)(from([source, ...args], scheduler)).subscribe(subscriber);
+    });
+}
+//# sourceMappingURL=merge.js.map