Add useFela support for preact-fela

[pontakornth]

Description

I add useFela support for preact-fela. As Preact use near identical API, it should be fine.

Packages

List all packages that have been changed.

• preact-fela

I also add documentation change in API doc of react-fela.

Versioning

Minor

Checklist

Quality Assurance

You can also run yarn run check to run all 4 commands at once.

• 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

If one of the following checks doesn't make sense due to the type of PR, just check them.

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

[vercel]

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🔍 Inspect: https://vercel.com/robinweser/fela/4m6ptcp38
✅ Preview: https://fela-git-fork-pontakornth-master.robinweser.vercel.app

[robinweser]

Thank you!