Add diagram to Cluster Architecture concept page (#42272)

* Added componenets-of-kubernetes svg in content/en/docs/concepts/architecture

Signed-off-by: utkarsh-singh1 <[email protected]>

* Updated cloud-controller-manager svg

Signed-off-by: utkarsh-singh1 <[email protected]>

* Updated image caption in /docs/concepts/architecture/_index.md

Signed-off-by: utkarsh-singh1 <[email protected]>

* Added kubernetes-cluster-architecture svg in content/en/docs/concepts/architecture

Signed-off-by: utkarsh-singh1 <[email protected]>

---------

Signed-off-by: utkarsh-singh1 <[email protected]>

Author: utkarsh-singh1

content/en/docs/concepts/architecture/_index.md

@@ -5,3 +5,4 @@ description: >
   The architectural concepts behind Kubernetes.
 ---
 
+{{< figure src="/images/docs/kubernetes-cluster-architecture.svg" alt="Components of Kubernetes" caption="Kubernetes cluster architecture" class="diagram-large" >}}