message: nydusify/Makefile: add vet target
  Thus to perform static check.
diff: @@ -13,6 +13,9 @@ build:
  static-release:
  @CGO_ENABLED=0 ${PROXY} GOOS=linux go build -ldflags '-X main.versionGitCommit=${GIT_COMMIT} -X main.versionBuildTime=${BUILD_TIME}' -o ./cmd ./cmd/nydusify.go
  +vet:
  + @go vet $(PACKAGES)
  +
  ut:
  @go test -count=1 -v -timeout 20m -race ./pkg/...
  