Doc - Link to k8s platform tutorials

Author: sleto-it

docs/Manual/Tutorials/Kubernetes/AKS.md

@@ -1,4 +1,4 @@
-# Run AranngoDB cluster on Azure Kubernetes Service (AKS)
+# Start ArangoDB on Azure Kubernetes Service (AKS)
 
 ## Requirements
 

docs/Manual/Tutorials/Kubernetes/EKS.md

@@ -1,4 +1,4 @@
-# Start ArangoDB cluster on Amazon EKS
+# Start ArangoDB on Amazon Elastic Kubernetes Service (EKS)
 
 ## Requirements:
 

docs/Manual/Tutorials/Kubernetes/GKE.md

@@ -1,4 +1,4 @@
-# Start ArangoDB on Google Kubernetes Engine in 5 minutes
+# Start ArangoDB on Google Kubernetes Engine (GKE)
 
 In this guide you'll learn how to run ArangoDB on Google Kubernetes Engine (GKE).
 

docs/Manual/Tutorials/Kubernetes/README.md

@@ -13,6 +13,20 @@ In this guide, we will explain what the ArangoDB Kubernetes Operator is,
 how to install it and how use it to deploy your first ArangoDB database
 in a Kubernetes cluster.
 
+First, you obviously need a Kubernetes cluster and the right credentials
+to access it. If you already have this, you can immediately skip to the
+next section. Since different cloud providers differ slightly in their
+Kubernetes offering, we have put together detailed tutorials for those
+platforms we officially support, follow the link for detailed setup
+instructions:
+
+ - [Amazon Elastic Kubernetes Service (EKS)](EKS.md)
+ - [Google Kubernetes Engine (GKE)](GKE.md)
+ - [Microsoft Azure Kubernetes Service (AKS)](AKS.md)
+
+Note that in particular the details of Role Based Access Control (RBAC)
+matter.
+
 ## What is `kube-arangodb`
 
 `kube-arangodb` is a set of two operators that you deploy in your Kubernetes