Add extraObjects support to the knative-operator chart (#2342)

Signed-off-by: Abdullah Alaqeel <abdullah.t.aqeel@gmail.com>

Author: aqeelat

config/charts/knative-operator/templates/extra-objects.yaml

@@ -0,0 +1,4 @@
+{{- range .Values.extraObjects }}
+---
+{{ tpl (toYaml .) $ }}
+{{- end }}

config/charts/knative-operator/values.yaml

@@ -71,3 +71,13 @@ knative_operator:
         cpu: 500m
         memory: 500Mi
   kubernetes_min_version: v1.25.0
+
+# extraObjects renders arbitrary manifests alongside the operator, e.g. extra
+# RBAC or platform-specific resources such as OpenShift SCC bindings or
+# NetworkPolicies.
+extraObjects: []
+# extraObjects:
+#   - apiVersion: v1
+#     kind: ConfigMap
+#     metadata:
+#       name: example