Axios again. Done. Registration flow seems ok.

backend/keycloak/kc-client/index.ts

@@ -1,3 +1,16 @@
-export * from './runtime';
-export * from './apis';
-export * from './models';
+// tslint:disable
+/**
+ * Keycloak Admin REST API
+ * This is a REST API reference for the Keycloak Admin
+ *
+ * The version of the OpenAPI document: 1
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
+export * from "./api";
+export * from "./configuration";