Plugin does not support publish/draft from strapi

[cempesket]

There is no way to have draft/publish system with gatsby/strapi at the moment.

We need to publicationState=preview option in the configs.

I did it in this pull request

[dvakatsiienko]

This is definitely the feature that should be enabled by default. Please add it to the core!

[remidej]

Hello, this is now possible with the new v1 release of the plugin. We provide a new option that allows you to set your API query parameters for each content type. So you can now set publicationState as preview in your config.

However, this was undocumented, so I opened #217 to add an example to the readme