Bug Report or Feature Request (mark with an x)
- [x] bug report -> please search issues before submitting
- [ ] feature request
Repro steps.
In step 0 it states to install platform-server. For npm it uses the --save-dev flag, for yarn it doesn't use the --dev flag.
Which should it be? It should be made consistent to avoid confusion.

Bug Report or Feature Request (mark with an
x)Repro steps.
In step 0 it states to install platform-server. For npm it uses the
--save-devflag, for yarn it doesn't use the--devflag.Which should it be? It should be made consistent to avoid confusion.