JavaScript queries now contain a few lines that prevent them from
being used whole-sale in typescript with `; inherits: javascript`.
Here we follow nvim-treesitter's way of using a fake 'ecma' language
as a common base for JavaScript and TypeScript to share as much as
we can.
* Add Graphql language support
* Fix docs gen
* Add JS Graphql injection query
* Updates based on PR feedback
Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>
