adds animiated gif demo for tf-fargate-codepipeline

Author: jritsema

terraform/service-templates/tf-ecs-fargate-lb-service-cicd-codepipeline/v1/README.md

@@ -10,7 +10,7 @@ The idea with this template is that once you deploy it, it will setup a CodePipe
 
 - build your code into a container image (requires a Dockerfile)
 - push your image to ECR
-- update your Proton service to deploy the image to the ECS service
+- optionally deploy the new image to whichever service instances you've configured
 
 This template is compatible with the [tf-vpc-ecs-cluster](../../environment-templates/tf-vpc-ecs-cluster) template.
 
@@ -29,6 +29,12 @@ make template bucket=my-bucket version=1
 ![input](./input.png)
 ![pipeline](./pipeline.png)
 
+### Demo
+
+Here's a quick demo of what this looks like.
+
+![gif](./input.gif)
+
 
 ## Security