fix: add cy-data attributes

Author: alexandr-g

src/components/Navbar.tsx

@@ -8,7 +8,7 @@ export const Navbar: React.FC = () => (
         Redux + TypeScript
       </NavLink>
       <ul className="right hide-on-med-and-down">
-        <li>
+        <li cy-data="home-nav-link">
           <NavLink to="/">Home</NavLink>
         </li>
         <li>

src/pages/About.tsx

@@ -13,7 +13,12 @@ export const About: React.FC = () => {
         omnis doloremque itaque eius eaque sint facilis unde tenetur reiciendis
         aliquam soluta?
       </p>
-      <button type="button" className="btn" onClick={() => history.push('/')}>
+      <button
+        type="button"
+        className="btn"
+        cy-data="go-back-button"
+        onClick={() => history.push('/')}
+      >
         Go back
       </button>
     </Fragment>