Extend and generate crds allowing listener pod spec change (#2758)

Co-authored-by: Bassem Dghaidi <[email protected]>

charts/gha-runner-scale-set/values.yaml

@@ -85,7 +85,25 @@ githubConfigSecret:
 #       requests:
 #         storage: 1Gi
 
+## template is the PodSpec for each listener Pod
+## For reference: https://kubernetes.io/docs/reference/kubernetes-api/workload-resources/pod-v1/#PodSpec
+# listenerTemplate:
+#   spec:
+#     containers:
+#     # Use this section to append additional configuration to the listener container.
+#     # If you change the name of the container, the configuration will not be applied to the listener,
+#     # and it will be treated as a side-car container.
+#     - name: listener
+#       securityContext:
+#         runAsUser: 1000
+#     # Use this section to add the configuration of a side-car container.
+#     # Comment it out or remove it if you don't need it.
+#     # Spec for this container will be applied as is without any modifications.
+#     - name: side-car
+#       image: example-sidecar
+
 ## template is the PodSpec for each runner Pod
+## For reference: https://kubernetes.io/docs/reference/kubernetes-api/workload-resources/pod-v1/#PodSpec
 template:
   ## template.spec will be modified if you change the container mode
   ## with containerMode.type=dind, we will populate the template.spec with following pod spec
@@ -165,9 +183,9 @@ template:
   ##                   storage: 1Gi
   spec:
     containers:
-    - name: runner
-      image: ghcr.io/actions/actions-runner:latest
-      command: ["/home/runner/run.sh"]
+      - name: runner
+        image: ghcr.io/actions/actions-runner:latest
+        command: ["/home/runner/run.sh"]
 
 ## Optional controller service account that needs to have required Role and RoleBinding
 ## to operate this gha-runner-scale-set installation.