message: Fix link to Contributing docs in README
diff: @@ -35,4 +35,4 @@ Here are a few helpful links for getting started with Circuit UI:
  - [Documentation](https://circuit.sumup.com/) - Learn how to use Circuit UI and view the components in Storybook.
  - [Getting started](https://circuit.sumup.com/?path=/docs/introduction-getting-started--page) - Set up a new app with Circuit UI or add it to an existing project.
  - [Theming](https://circuit.sumup.com/?path=/docs/features-theme--page) - Learn about our foundations such as colors, spacing, and typography.
  -- [Contribute](https://circuit.sumup.com/?path=/docs/introduction-contributing--page) - File a bug report, suggest a change, or open a pull request.
  +- [Contribute](https://circuit.sumup.com/?path=/docs/introduction-contributing-overview--page) - File a bug report, suggest a change, or open a pull request.
  