feat: add CMS info footer popup

src/components/cms-info-popup.test.tsx

@@ -0,0 +1,10 @@
+import { renderToStaticMarkup } from "react-dom/server";
+import { describe, expect, it } from "vitest";
+import { CmsInfoPopup } from "@/components/cms-info-popup";
+
+describe("CmsInfoPopup", () => {
+  it("renders the footer trigger", () => {
+    const html = renderToStaticMarkup(<CmsInfoPopup />);
+    expect(html).toContain("CMS Info");
+  });
+});