Point directly to documentation. (#1020)

Author: joerg84

README.md

@@ -12,7 +12,7 @@ read the [tutorial](https://www.arangodb.com/docs/stable/tutorials-kubernetes.ht
 
 The ArangoDB Kubernetes Operator is Production ready.
 
-[Documentation](./docs/README.md)
+[Documentation](https://www.arangodb.com/docs/stable/deployment-kubernetes.html)
 
 ### Production readiness state
 
@@ -200,4 +200,4 @@ kubectl apply -f manifests/arango-deployment-replication-dev.yaml
 Starting from ArangoDB 3.6 Servers expose metrics endpoint with prometheus compatible format. From this point Exporter
 is used only for TLS and/or Authentication termination to be compatible with all Prometheus installations.
 
-ArangoExporter documentation can be found [here](./docs/design/exporter.md)
+ArangoExporter documentation can be found [here](./docs/design/exporter.md)