(feat) - gatsby plugin (#10)

* prepare publishing of gatsby-plugin-hooked-head

* adjust readme

* make 0.1.0 the first version

* Update packages/gatsby-plugin-hooked-head/gatsby-ssr.js

Co-Authored-By: Gustav Pursche <[email protected]>

* fix syntax issue

Co-authored-by: Gustav Pursche <[email protected]>

Prepare 0.2.0 release