Include Tekton videos in Getting Started

Include a series of introductory videos that can be very helpful for
many new users.

content/en/docs/Getting Started/_index.md

+<!--
 ---
 title: "Getting Started"
 linkTitle: "Getting Started"
@@ -5,11 +6,27 @@ weight: 1
 description: >
   Get started with Tekton
 ---
+-->
 
 Welcome to Tekton. Tekton is an open-source cloud native CICD (Continuous
 Integration and Continuous Delivery/Deployment) solution. Check the [Concepts
 section](/docs/concepts/) to learn more about how Tekton works.
 
-Let's get started! Go ahead and [create your first task with
-Tekton](/docs/getting-started/tasks/)
+Let's get started! You can go ahead and [create your first task with
+Tekton](/docs/getting-started/tasks/). If you prefer, watch the following
+videos to learn the basics of how Tekton works before your first hands-on
+experience:
+
+### Tekton for Kubernetes Cloud-Native CI/CD explained.
+
+  {{< youtube "6oE7jgRuF2o"  >}}
+
+### Tekton CI/CD pipelines and tasks overview.
+
+  {{< youtube "pW606eBa7og" >}}
+
+### Tekton Chains: Extensibility, automation, and security.
+
+  {{< youtube "p9K3_xtozzA" >}}
+