Add web front-end and fix API issues

node_modules/rxjs/dist/cjs/internal/operators/switchAll.js

@@ -0,0 +1,10 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.switchAll = void 0;
+var switchMap_1 = require("./switchMap");
+var identity_1 = require("../util/identity");
+function switchAll() {
+    return switchMap_1.switchMap(identity_1.identity);
+}
+exports.switchAll = switchAll;
+//# sourceMappingURL=switchAll.js.map