Add Next.js Cheatsheet - handy snippets and tips (#8252)

more/free-programming-cheatsheets.md

@@ -225,6 +225,7 @@
 
 #### Next.js
 
+* [Next.js Cheatsheet - handy snippets and tips](https://gourav.io/blog/nextjs-cheatsheet) - Gourav Goyal (HTML)
 * [Ultimate Next.js Handbook](https://thevalleyofcode.pages.dev/next-handbook.pdf) - Flavio Copes, The Valley of Code (PDF)