Merge branch 'rel-3.1' into dev

docs/en/Index.md

@@ -8,7 +8,19 @@ Explore the navigation menu to deep dive in the documentation.
 
 The easiest way to start a new web application with the ABP Framework is to use the [getting started](Getting-Started.md) tutorial.
 
-Then you can continue with the [web application development tutorial](Tutorials/Part-1.md).
+## Tutorials / Articles
+
+### Web Application Development
+
+[Web application development tutorial](Tutorials/Part-1.md) is a complete guide to develop application using the ABP Framework.
+
+### ABP Community Articles
+
+See also the [ABP Community](https://community.abp.io/) articles.
+
+## Samples
+
+See the [sample projects](Samples/Index.md) built with the ABP Framework.
 
 ## Source Code