add imagePullSecretName and bump example chart version

example/squadron/charts/example/Chart.yaml

@@ -2,4 +2,4 @@ apiVersion: v1
 appVersion: "1.0"
 description: An Example Chart for Squadron
 name: example
-version: 0.2.3
+version: 0.2.4

example/squadron/charts/example/templates/deployment.yaml

@@ -19,6 +19,8 @@ spec:
         app.kubernetes.io/name: {{ .Chart.Name }}
         app.kubernetes.io/part-of: {{ .Release.Name }}
     spec:
+      imagePullSecrets:
+        - name: {{ .Values.imagePullSecretName }}
       containers:
         - name: {{ .Chart.Name }}
           image: {{ .Values.image }}