Update helm chart to use public Sloop image (#63)

Makefile

@@ -14,7 +14,7 @@ linux:
 	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go install -ldflags "-s" -installsuffix cgo -v ./pkg/...
 
 docker:
-	docker build . -t sloop
+	docker build . -t sloopimage/sloop
 
 generate:
 	go generate ./pkg/...

helm/sloop/values.yaml

@@ -5,7 +5,7 @@ image:
   # for now, user needs to set their own imag tag,for example:test-20191009
   tag: latest
   # for now, user needs to set their own image
-  repository: some.image/sloop
+  repository: sloopimage/sloop
 persistentVolume:
 ## If defined it will specify the storageClass for the statefulSet
 ## If undefined it will use the cluster default (typically gp2 on AWS, standard on GKE)