Add web front-end and fix API issues

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

@@ -0,0 +1,8 @@
+export var config = {
+    onUnhandledError: null,
+    onStoppedNotification: null,
+    Promise: undefined,
+    useDeprecatedSynchronousErrorHandling: false,
+    useDeprecatedNextContext: false,
+};
+//# sourceMappingURL=config.js.map