feat: updated doc for k8s policy

docs/documentation/platform/access-controls/abac/managing-machine-identity-attributes.mdx

@@ -61,6 +61,18 @@ For methods like OIDC, these come as claims in the token and can be made availab
     ```
 
     <img src="/images/platform/access-controls/abac-policy-oidc-format.png" />
+
+  </Tab>
+  <Tab title="Kubernetes Login Attributes">
+				For identities authenticated using Kubernetes, the service account's namespace and name are available in their policy and can be accessed as follows:
+
+    ```
+    {{ identity.auth.kubernetes.namespace }}
+    {{ identity.auth.kubernetes.name}}
+    ```
+
+    <img src="/images/platform/access-controls/abac-policy-k8s-format.png" />
+
   </Tab>
   <Tab title="Other Authentication Method Attributes">
     At the moment we only support OIDC claims. Payloads on other authentication methods are not yet accessible.