feat(argo-cd): Add ability to add project scoped cluster(s) (#1913)

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

charts/argo-cd/values.yaml

@@ -379,6 +379,7 @@ configs:
   ## Ref:
   ## - https://argo-cd.readthedocs.io/en/stable/operator-manual/declarative-setup/#clusters
   ## - https://argo-cd.readthedocs.io/en/stable/operator-manual/security/#external-cluster-credentials
+  ## - https://argo-cd.readthedocs.io/en/stable/user-guide/projects/#project-scoped-repositories-and-clusters
   clusterCredentials: []
     # - name: mycluster
     #   server: https://mycluster.com
@@ -400,6 +401,16 @@ configs:
     #     tlsClientConfig:
     #       insecure: false
     #       caData: "<base64 encoded certificate>"
+    # - name: mycluster3-project-scoped
+    #   server: https://mycluster3.com
+    #   labels: {}
+    #   annotations: {}
+    #   project: my-project1
+    #   config:
+    #     bearerToken: "<authentication token>"
+    #     tlsClientConfig:
+    #       insecure: false
+    #       caData: "<base64 encoded certificate>"
 
   # DEPRECATED - Moved to configs.ssh.annotations
   # knownHostsAnnotations: {}