Added participation section to readme

Author: boringgeek

readme.adoc

@@ -13,14 +13,14 @@ It also shows deep integration with several AWS technologies.
 
 We recommend at least 2 hours to complete the workshop.
 
-Click the button below to start! 
+Click the button below to start!
 
 image::button-start-standard.png[link=01-path-basics/101-start-here/]
 
 == Extended Paths
 
 The workshop also contains extended paths for Developers or Operations Engineers.
-The extended paths go into much greater detail regarding features and capabilities of Kubernetes specifically for those Teams. 
+The extended paths go into much greater detail regarding features and capabilities of Kubernetes specifically for those Teams.
 We recommend at least 4 hours for each of the extended paths.
 
 Click on one of the two buttons below to start!
@@ -37,3 +37,7 @@ Click on one of the two buttons below to start!
 
 
 NOTE: You will incur charges as you go through these workshop guides as it will exceed the link:http://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/free-tier-limits.html[limits of AWS free tier]. An estimate of charges (<$20/day) can be seen at this link:https://calculator.s3.amazonaws.com/index.html#r=FRA&s=EC2&key=calc-E6DBD6F1-C45D-4827-93F8-D9B18C5994B0[simple monthly calculator]
+
+=== Participation
+
+You can share this workshop via https://amzn.to/k8s-on-aws. Issues are encouraged, PR's are preferred!