docs: add Codecov logo in README file

README.md

@@ -45,6 +45,13 @@ Clone this project and use it to create your own [Next.js](https://nextjs.org) p
           <img alt="Sentry" src="public/assets/images/sentry-dark.png?raw=true">
         </picture>
       </a>
+      <a href="https://about.codecov.io/codecov-free-trial/?utm_source=github&utm_medium=paid-community&utm_campaign=general-fy25q1-nextjs&utm_content=github-banner-nextjsboilerplate-logo">
+        <picture>
+          <source media="(prefers-color-scheme: dark)" srcset="public/assets/images/codecov-white.svg?raw=true">
+          <source media="(prefers-color-scheme: light)" srcset="public/assets/images/codecov-dark.svg?raw=true">
+          <img alt="Codecov" src="public/assets/images/codecov-dark.svg?raw=true">
+        </picture>
+      </a>
     </td>
     <td align="center" width="33%">
       <a href="https://posthog.com/?utm_source=github&utm_medium=sponsorship&utm_campaign=next-js-boilerplate">
@@ -451,6 +458,13 @@ See [LICENSE](LICENSE) for more information.
           <img alt="Sentry" src="public/assets/images/sentry-dark.png?raw=true">
         </picture>
       </a>
+      <a href="https://about.codecov.io/codecov-free-trial/?utm_source=github&utm_medium=paid-community&utm_campaign=general-fy25q1-nextjs&utm_content=github-banner-nextjsboilerplate-logo">
+        <picture>
+          <source media="(prefers-color-scheme: dark)" srcset="public/assets/images/codecov-white.svg?raw=true">
+          <source media="(prefers-color-scheme: light)" srcset="public/assets/images/codecov-dark.svg?raw=true">
+          <img alt="Codecov" src="public/assets/images/codecov-dark.svg?raw=true">
+        </picture>
+      </a>
     </td>
     <td align="center" width="33%">
       <a href="https://posthog.com/?utm_source=github&utm_medium=sponsorship&utm_campaign=next-js-boilerplate">