[ci skip] Add relesing and snapshotting to makefile

Makefile

@@ -8,4 +8,10 @@ test: ensure
 	go test -v -coverprofile=coverage.out $$(go list ./... | grep -v '/vendor/') && go tool cover -func=coverage.out
 
 build: ensure
-	go build
+	go build
+
+snapshot:
+	goreleaser --rm-dist --snapshot
+
+release: ensure
+	goreleaser --rm-dist