message: Add instructions for creating mongodb Secret
diff: @@ -23,6 +23,11 @@ kubectl cluster-info
  # Usage
  ```
  +# Set mongodb passwords (manual step for now)
  +kubectl -n kubeapps create secret generic mongodb \
  + --from-literal=mongodb-password=sekret-$RANDOM \
  + --from-literal=mongodb-root-password=sekret-$RANDOM \
  +
  # Bring up cluster
  ./kubeapps.sh up
  