Feature/user model

[Luffytaro22]

🎏 In this Milestone 🙋‍♂️⁉:

✅ Create the User model, migration file and validations.
✅ Install devise, devise-jwt and jsonapi-serializer gems.

• This task involves generating a User model to handle user authentication. This includes creating the User model with attributes, validations, and associations required for user registration and authentication. Add model validations to ensure data integrity.

✅ No linters error.
✅ Follow the best GitHub flow.

[grauJavier]

Hi @Luffytaro22 😃,

Your project is complete! There is nothing else to say other than... it's time to merge it
Congratulations! 🎉

Highlights
✅ Well done following the correct workflow
✅ Correct Linters

Cheers, and Happy coding!👏👏👏