Feature Request: Adding Sorbet type definition to the project

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• Problem/bug report.
• Feature request.
• Request for support. Note: Please try to avoid submitting issues for support requests. Use Gitter instead.

Checklist before submitting:

• I've searched for an existing issue.
• I've asked my question on Gitter and have not received a satisfactory answer.
• I've included a complete bug report template. This step helps us and allows us to see the bug without trying to reproduce the problem from your description. It helps you because you will frequently detect if it's a problem specific to your project.
• The feature I'm asking for is compliant with the JSON:API spec.

Features:

Include this library and it's type definitions to sorbet-typed.

This project does use a lot YARD annotations should be some what easy to convert into rbi signatures by using something like Sord

Inizia esaminando le annotazioni YARD del progetto e le risorse sorbet-typed e Sord a cui si fa riferimento. Il lavoro è considerato completato quando le definizioni dei tipi della libreria sono incluse in sorbet-typed, ma l'issue non indica file o test specifici.