docs: add sponsor section at the bottom of the README file

README.md

@@ -1,4 +1,4 @@
-# Boilerplate and Starter for Next JS 13+, Tailwind CSS 3.3 and TypeScript [![Twitter](https://img.shields.io/twitter/url/https/twitter.com/cloudposse.svg?style=social&label=Follow%20%40Ixartz)](https://twitter.com/ixartz)
+# Boilerplate and Starter for Next JS 13+, Tailwind CSS 3.3 and TypeScript
 
 <p align="center">
   <a href="https://creativedesignsguru.com/demo/Nextjs-Boilerplate/"><img src="public/assets/images/nextjs-starter-banner.png?raw=true" alt="Next js starter banner"></a>
@@ -180,6 +180,19 @@ Licensed under the MIT License, Copyright © 2023
 
 See [LICENSE](LICENSE) for more information.
 
+## Sponsors
+
+<table>
+  <tr>
+    <td>
+      <a href="https://upstash.com/?utm_source=nextjs-boilerplate"><img src="https://raw.githubusercontent.com/upstash/sponsorship/master/redis.png" alt="Upstash" width="260"></a>
+    </td>
+    <td>
+      <a href="https://nextlessjs.com"><img src="https://creativedesignsguru.com/assets/images/themes/nextlessjs-github-banner.png" alt="React SaaS Boilerplate Next.js" /></a>
+    </td>
+  </tr>
+</table>
+
 ---
 
 Made with ♥ by [CreativeDesignsGuru](https://creativedesignsguru.com) [![Twitter](https://img.shields.io/twitter/url/https/twitter.com/cloudposse.svg?style=social&label=Follow%20%40Ixartz)](https://twitter.com/ixartz)