Chore/unit test (#538)

* chore: add unit test

* chore: add github action for unit test

packages/app/src/utils/__tests__/get-is-mobile.spec.ts

@@ -0,0 +1,12 @@
+import { describe, test, expect } from '@jest/globals';
+import { isMobile } from '../get-is-mobile';
+
+describe('get-is-mobile', () => {
+  test('get-is-mobile', () => {
+    expect(
+      isMobile(
+        'Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1'
+      )
+    ).toBe(true);
+  });
+});