fix: add volume and volumeMounts (#6)

chart/values.yaml

@@ -88,17 +88,14 @@ autoscaling:
   # targetMemoryUtilizationPercentage: 80
 
 # Additional volumes on the output Deployment definition.
-volumes: []
-# - name: foo
-#   secret:
-#     secretName: mysecret
-#     optional: false
+volumes:
+  - emptyDir: {}
+    name: tmp-dir
 
 # Additional volumeMounts on the output Deployment definition.
-volumeMounts: []
-# - name: foo
-#   mountPath: "/etc/foo"
-#   readOnly: true
+volumeMounts:
+  - mountPath: /tmp
+    name: tmp-dir
 
 nodeSelector: {}