chore: Broken Handbook link to Development Guidelines (RocketChat#37252)

Author: casalsgh

.github/CONTRIBUTING.md

@@ -18,7 +18,7 @@ __Note:__ If there's a feature you'd like, there's a bug you'd like to fix, or y
 
 ## Development Guidelines
 
-Check out our Handbook for the [Development Guidelines](https://handbook.rocket.chat/product/development/development-guidelines) on how to set up your environment, do code, test and push your code. There you find our patterns on how to compose your Pull Requests' titles to have your contribution accepted.
+Check out our Handbook for the [Development Guidelines](https://handbook.rocket.chat/space/RnD/359891343/%F0%9F%8C%90+Development+Guidelines) on how to set up your environment, do code, test and push your code. There you find our patterns on how to compose your Pull Requests' titles to have your contribution accepted.
 
 ## Contributor License Agreement