feat: add link to linux foundation course on jx

Signed-off-by: ankitm123 <ankitmohapatra123@gmail.com>

Author: ankitm123

content/en/v3/develop/_index.md

@@ -4,8 +4,8 @@ linktitle: User Guide
 type: docs
 description: Guides on using Jenkins X to develop and deliver software continuously
 weight: 100
-aliases: 
-    - /v3/develop/
+aliases:
+  - /v3/develop/
 ---
 
 {{< developcards >}}

content/en/v3/learning-resources/_index.md

@@ -0,0 +1,16 @@
+---
+title: "Learning Resources"
+date: 2022-01-22
+linkTitle: "Learning Resources"
+type: docs
+description: Learning resources for Jenkins X.
+weight: 400
+aliases:
+  - /v3/learning-resources
+---
+
+Learning resources to help you get started with Jenkins X.
+
+### Tutorials/Courses
+
+- [Linux Foundation course](https://training.linuxfoundation.org/training/ci-cd-with-jenkins-x-lfs268/) for Jenkins X.