Add docs for cis v1.20 (#914)

Co-authored-by: Yoav Rotem <yoavrotems97@gmail.com>

docs/architecture.md

@@ -12,10 +12,12 @@ master.yaml, controlplane.yaml, node.yaml, etcd.yaml, policies.yaml and config.y
 Check the contents of the benchmark directory under `cfg` to see which targets are available for that benchmark. Each file except `config.yaml` represents a target (also known as a `control` in other parts of this documentation). 
 
 The following table shows the valid targets based on the CIS Benchmark version.
+
 | CIS Benchmark | Targets |
 |---|---|
 | cis-1.5| master, controlplane, node, etcd, policies |
 | cis-1.6| master, controlplane, node, etcd, policies |
+|cis-1.20| master, controlplane, node, etcd, policies |
 | gke-1.0| master, controlplane, node, etcd, policies, managedservices |
 | eks-1.0| controlplane, node, policies, managedservices |
 | ack-1.0| master, controlplane, node, etcd, policies, managedservices |

docs/platforms.md

@@ -7,8 +7,9 @@ Some defined by other hardenening guides.
 
 | Source | Kubernetes Benchmark | kube-bench config | Kubernetes versions |
 |---|---|---|---|
-| CIS | [1.5.1](https://workbench.cisecurity.org/benchmarks/4892) | cis-1.5 | 1.15- |
-| CIS | [1.6.0](https://workbench.cisecurity.org/benchmarks/4834) | cis-1.6 | 1.16- |
+| CIS | [1.5.1](https://workbench.cisecurity.org/benchmarks/4892) | cis-1.5 | 1.15 |
+| CIS | [1.6.0](https://workbench.cisecurity.org/benchmarks/4834) | cis-1.6 | 1.16-1.18 |
+| CIS | [1.20](https://workbench.cisecurity.org/benchmarks/6246) | cis-1.20 | 1.19-1.20 |
 | CIS | [GKE 1.0.0](https://workbench.cisecurity.org/benchmarks/4536) | gke-1.0 | GKE |
 | CIS | [EKS 1.0.0](https://workbench.cisecurity.org/benchmarks/5190) | eks-1.0 | EKS |
 | CIS | [ACK 1.0.0](https://workbench.cisecurity.org/benchmarks/6467) | ack-1.0 | ACK |