chore: add token processing docs

[paulovareiro29]

Description:

Definition of Reviewable:

• Documentation is created/updated
• Migration Guide is created/updated

• E2E tests (features, a11y, bug fixes) are created/updated

• Stories (features, a11y) are created/updated
• relevant tickets are linked

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🦋 Changeset detected

Latest commit: c4dc5a2

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The package or glob expression "@solid-design-system/components" specified in the `fixed` option does not match any package in the project. You may have misspelled the package name or provided an invalid glob expression. Note that glob expressions must be defined according to https://www.npmjs.com/package/micromatch.
The package or glob expression "@solid-design-system/styles" specified in the `fixed` option does not match any package in the project. You may have misspelled the package name or provided an invalid glob expression. Note that glob expressions must be defined according to https://www.npmjs.com/package/micromatch.
The package or glob expression "@solid-design-system/tokens" specified in the `fixed` option does not match any package in the project. You may have misspelled the package name or provided an invalid glob expression. Note that glob expressions must be defined according to https://www.npmjs.com/package/micromatch.

[github-actions]

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