Contributing guidelines

[avitorio]

This issue should cover the creation of contributing guidelines for the project, for both development and documentation.

Future Contributing guidelines

• [ ] A section for contributing to docs.
• [ ] A section for contributing to the blog example.
  • [ ] A section for website (outstatic.com) updates.
  • [ ] Specify how to test, lint, type check.

Already completed by https://github.com/avitorio/outstatic/pull/65:

• [x] Have a canary branch to merge all the pre-release updates.
• [x] Create a guide on how to run the monorepo locally with:
  • [x] A section for contributing to the library.
  • [x] Reminder: when saving or updating collections or documents, users should point to a different branch from the PR branch.