Merge pull request #374 from npinaeva/anp-doc

docs: Add v1alpha1 promise to maintain release-0.1 branch

Author: k8s-ci-robot

site-src/getting-started.md

@@ -8,11 +8,10 @@ doc for details on the supportability matrix.
 
 **2. Install the Network Policy API CRDs**
 
-We don't have a released version of the `ClusterNetworkPolicy` API yet, but you can try out
-the latest version from the `main` branch by applying the following manifest:
+To install the latest released version of the `ClusterNetworkPolicy` API, which is `v0.2.0`, use the following command:
 
 ```bash
-kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/network-policy-api/refs/heads/main/config/crd/standard/policy.networking.k8s.io_clusternetworkpolicies.yaml
+kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/network-policy-api/refs/tags/v0.2.0/config/crd/standard/policy.networking.k8s.io_clusternetworkpolicies.yaml
 ```
 
 The latest released version of the `AdminNetworkPolicy` and `BaselineAdminNetworkPolicy` is `v0.1.7`.
@@ -23,6 +22,9 @@ kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/network-polic
 -f https://raw.githubusercontent.com/kubernetes-sigs/network-policy-api/refs/tags/v0.1.7/config/crd/standard/policy.networking.k8s.io_baselineadminnetworkpolicies.yaml
 ```
 
+We are also going to preserve and maintain the [release-0.1](https://github.com/kubernetes-sigs/network-policy-api/tree/release-0.1) 
+branch for the `v1alpha1` APIs, including potential updates and bug fixes until further notice.
+
 **3. Try out one of the sample yamls for specific user stories**
 
 - [Deny traffic at a cluster level](reference/examples.md#sample-spec-for-story-1-deny-traffic-at-a-cluster-level)