fix: Use Readthedocs versioned website for Rollout documentation (#190)

Signed-off-by: Kostis (Octopus Deploy) <39800303+kostis-codefresh@users.noreply.github.com>

Author: kostis-codefresh

content/pages/rollouts/index.mdx

@@ -5,8 +5,8 @@ description: "Advanced Kubernetes deployment strategies such as Canary and Blue-
 image: rollouts.png
 thumbnail: rollouts-thumbnail.png
 repo: argo-rollouts
-docs: https://argoproj.github.io/argo-rollouts
-quickstart: https://argoproj.github.io/argo-rollouts/getting-started
+docs: https://argo-rollouts.readthedocs.io
+quickstart: https://argo-rollouts.readthedocs.io/en/stable/getting-started/
 ---
 
 ## What is Argo Rollouts?