Docs: Crds - add monitor all in api group example

Author: Sheeproid

docs/setup-robusta/crds.rst

@@ -52,7 +52,7 @@ This will output something like:
 Basic Configuration
 ^^^^^^^^^^^^^^^^^^^
 
-Specify read permissions for the CRDs you need to monitor:
+Specify read permissions for the CRDs you need to monitor. You can list specific resources or use ``"*"`` to monitor all resources in an API group:
 
 .. code-block:: yaml
 
@@ -69,6 +69,20 @@ Specify read permissions for the CRDs you need to monitor:
           - "list"
           - "get"
 
+Or to monitor all resources in an API group:
+
+.. code-block:: yaml
+
+    runner:
+      customClusterRoleRules:
+      - apiGroups:
+          - "cert-manager.io"
+        resources:
+          - "*"
+        verbs:
+          - "list"
+          - "get"
+
 Applying the Configuration
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^