Add web front-end and fix API issues

node_modules/rxjs/dist/esm5/internal/Scheduler.js

@@ -0,0 +1,16 @@
+import { dateTimestampProvider } from './scheduler/dateTimestampProvider';
+var Scheduler = (function () {
+    function Scheduler(schedulerActionCtor, now) {
+        if (now === void 0) { now = Scheduler.now; }
+        this.schedulerActionCtor = schedulerActionCtor;
+        this.now = now;
+    }
+    Scheduler.prototype.schedule = function (work, delay, state) {
+        if (delay === void 0) { delay = 0; }
+        return new this.schedulerActionCtor(this, work).schedule(state, delay);
+    };
+    Scheduler.now = dateTimestampProvider.now;
+    return Scheduler;
+}());
+export { Scheduler };
+//# sourceMappingURL=Scheduler.js.map