Added Producthunt badge in readme

README.md

@@ -27,6 +27,8 @@ Turns any MySQL, PostgreSQL, SQL Server, SQLite & MariaDB into a smart-spreadshe
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+<a href="https://www.producthunt.com/posts/nocodb?utm_source=badge-featured&utm_medium=badge&utm_souce=badge-nocodb" target="_blank"><img src="https://api.producthunt.com/widgets/embed-image/v1/featured.svg?post_id=297536&theme=dark" alt="NocoDB - The Open Source Airtable alternative | Product Hunt" style="width: 250px; height: 54px;" width="250" height="54" /></a>
+
 # Quick try
 ### 1-Click Deploy
 <a href="https://heroku.com/deploy?template=https://github.com/npgia/nocodb-seed-heroku">