Add web front-end and fix API issues

node_modules/rxjs/dist/esm/internal/NotificationFactories.js

@@ -0,0 +1,15 @@
+export const COMPLETE_NOTIFICATION = (() => createNotification('C', undefined, undefined))();
+export function errorNotification(error) {
+    return createNotification('E', undefined, error);
+}
+export function nextNotification(value) {
+    return createNotification('N', value, undefined);
+}
+export function createNotification(kind, value, error) {
+    return {
+        kind,
+        value,
+        error,
+    };
+}
+//# sourceMappingURL=NotificationFactories.js.map