message: Update chart-repo.md
diff: @@ -36,11 +36,11 @@ Kubeapps is a Kubernetes-native application. To develop and test Kubeapps compon
  ```bash
  cd $MONOCULAR_DIR
  -dep ensure
  +go mod tidy
  make -C cmd/chart-repo docker-build
  ```
  -This builds the `chart-repo` Docker image.
  +This builds the `chart-repo` Docker image. Please refer to [Monocular Developers Guide](https://github.com/helm/monocular/blob/master/docs/development.md) for more details.
  ### Running in development
  