Include annotations in templating.

for example, If I have istio enabled in a namespace, and I want to deploy reloader in that, It doesn't make sense to include envoy there. So there should be an option to add `sidecar.istio.io/inject: "false"` annotation.

deployments/kubernetes/chart/reloader/templates/deployment.yaml

@@ -26,6 +26,10 @@ spec:
 {{- end }}
   template:
     metadata:
+{{- if .Values.reloader.deployment.pod.annotations }}
+      annotations:
+{{ toYaml .Values.reloader.deployment.pod.annotations | indent 8 }}
+{{- end }}
       labels:
 {{ include "reloader-labels.chart" . | indent 8 }}
 {{- if .Values.reloader.deployment.labels }}

deployments/kubernetes/chart/reloader/values.yaml

@@ -67,6 +67,8 @@ reloader:
     #     cpu: "10m"
     #     memory: "128Mi"
     resources: {}
+    pod:
+      annotations: {}
 
   rbac:
     enabled: true

deployments/kubernetes/templates/chart/values.yaml.tmpl

@@ -67,6 +67,8 @@ reloader:
     #     cpu: "10m"
     #     memory: "128Mi"
     resources: {}
+    pod:
+      annotations: {}
 
   rbac:
     enabled: true