Add "AWS Well-Architected Framework" (#5488)

* Add "AWS Well-Architected Framework"

* Linking AWS Well-Architected to the "welcome" page

* Revert "Linking AWS Well-Architected to the "welcome" page"

This reverts commit 682276c54d58ef377e88ffa0db0bedd73561ace1.

* Link AWS Well-Architected to the "welcome" page

books/free-programming-books.md

@@ -381,6 +381,7 @@
 
 #### Cloud Computing
 
+* [AWS Well-Architected Framework](https://docs.aws.amazon.com/wellarchitected/latest/framework) (PDF, HTML)
 * [Azure for Architects, Third Edition](https://azure.microsoft.com/en-us/resources/azure-for-architects/) (PDF) *(email address or account required)*
 * [Azure Functions Succinctly, Syncfusion](https://www.syncfusion.com/ebooks/azure-functions-succinctly) (PDF, Kindle) (email address requested, not required)
 * [Cloud Computing for Science and Engineering](https://cloud4scieng.org/chapters/) - Ian Foster, Dennis B. Gannon (:construction: *in process*)