Feature/dp -> Docker additions (#4)

* Added Microservices arch references and cloud providers

* Update with Docker

README.md

@@ -39,3 +39,9 @@ Quick and handy practical guide to onboarding new people to the team.
 1. AWS (Amazon Web Services) - https://aws.amazon.com/it/
 1. GCP (Google Cloud Platform) - https://cloud.google.com/
 1. Azure - https://azure.microsoft.com/it-it/
+
+## Docker
+1. https://stackify.com/docker-tutorial/
+1. https://blog.sourcerer.io/a-crash-course-on-docker-learn-to-swim-with-the-big-fish-6ff25e8958b0
+1. https://docker-curriculum.com/
+1. https://dzone.com/articles/docker-tutorial-play-with-containers-simple-exampl