feat: Add test for DefaultTemplate component.

src/components/default.test.tsx

@@ -0,0 +1,14 @@
+import { render, screen } from "@testing-library/react";
+import "@testing-library/jest-dom";
+import DefaultTemplate from "./default";
+
+describe("DefaultTemplate", () => {
+  it("renders the title correctly", () => {
+    const title = "Test Title";
+    render(DefaultTemplate(title));
+
+    const titleElement = screen.getByText(title);
+    expect(titleElement).toBeInTheDocument();
+    expect(titleElement).toHaveStyle({ fontSize: "60px", fontWeight: "700" });
+  });
+});