🚀(helm) add a Redis cache service

This commit is working in progress. I have added an extra chart to take
benefits of the Redis operator developed by Indie hoster.

When using the dev environment, I used bitnami redis chart to deploy
a Redis service with authentication disable.

src/helm/helmfile.yaml

@@ -18,6 +18,15 @@ releases:
           enabled: true
           autoGenerated: true
 
+  - name: redis
+    installed: {{ eq .Environment.Name "dev" | toYaml }}
+    namespace: {{ .Namespace }}
+    chart: bitnami/redis
+    version: 18.19.2
+    values:
+      - auth:
+          password: pass
+
   - name: extra
     installed: {{ ne .Environment.Name "dev" | toYaml }}
     namespace: {{ .Namespace }}