Add Patreon sponsor button

[Panquesito7]

Things added/changed:

• Add Patreon sponsor button.
  • You'll have to enable the sponsorship button on the repository settings. For more information, see https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/displaying-a-sponsor-button-in-your-repository#displaying-a-sponsor-button-in-your-repository