Add GraphQL cheatsheet (#7977)

- Add GraphQL cheatsheet

more/free-programming-cheatsheets.md

@@ -12,6 +12,7 @@
 * [Docker](#docker)
 * [Git](#git)
 * [Go](#go)
+* [GraphQL](#graphql)
 * [HTML and CSS](#html-and-css)
 * [IDE and editors](#ide-and-editors)
 * [Java](#java)
@@ -152,6 +153,11 @@
 * [Go Handbook](https://thevalleyofcode.pages.dev/go-handbook.pdf) - Flavio Copes, The Valley of Code (PDF)
 
 
+### GraphQL
+
+* [GraphQL Cheatsheet]([https://devhints.io/go](https://devhints.io/graphql)) - devhints, Rico Santa Cruz (HTML)
+
+
 ### HTML and CSS
 
 * [Accessibility CheatSheet](https://learn-the-web.algonquindesign.ca/topics/accessibility-cheat-sheet/) - Algonquin Design (HTML)