Setup a very basic storybook

src/keycloak-theme/login/createPageStory.tsx

@@ -0,0 +1,24 @@
+import { getKcContext, type KcContext } from "./kcContext";
+import KcApp from "./KcApp";
+import type { DeepPartial } from "keycloakify/tools/DeepPartial";
+
+export function createPageStory<PageId extends KcContext["pageId"]>(params: {
+    pageId: PageId;
+}) {
+
+    const { pageId } = params;
+
+    function PageStory(params: { kcContext?: DeepPartial<Extract<KcContext, { pageId: PageId }>>; }) {
+
+        const { kcContext } = getKcContext({
+            mockPageId: pageId,
+            storyParams: params.kcContext
+        });
+
+        return <KcApp kcContext={kcContext} />;
+
+    }
+
+    return { PageStory };
+
+}