Add web front-end and fix API issues

node_modules/rxjs/dist/esm5/internal/operators/merge.js

@@ -0,0 +1,17 @@
+import { __read, __spreadArray } from "tslib";
+import { operate } from '../util/lift';
+import { mergeAll } from './mergeAll';
+import { popNumber, popScheduler } from '../util/args';
+import { from } from '../observable/from';
+export function merge() {
+    var args = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+        args[_i] = arguments[_i];
+    }
+    var scheduler = popScheduler(args);
+    var concurrent = popNumber(args, Infinity);
+    return operate(function (source, subscriber) {
+        mergeAll(concurrent)(from(__spreadArray([source], __read(args)), scheduler)).subscribe(subscriber);
+    });
+}
+//# sourceMappingURL=merge.js.map