Support for targetDocument

[robinweser]

Description

This PR adds support for passing a targetDocument to fela-dom's render and rehydrate.
It can also be passed to the RendererProvider in react-fela, preact-fela and inferno-fela.
It will use the passed targetDocument to render the styles to.

Defaults to window.document.

Packages

List all packages that have been changed.

• fela-dom
• fela-bindings
  • react-fela
  • preact-fela
  • inferno-fela

Versioning

Minor

Checklist

Quality Assurance

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• The code was formatted using Prettier (yarn run format)
• The code has no linting errors (yarn run lint)
• All tests are passing (yarn run test)
• There are no flow-type errors (yarn run flow)

Changes

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• Tests have been added/updated
• Documentation has been added/updated
• My changes have proper flow-types