Summary of the contribution

This fixes a broken link to CONTRIBUTING.md

Testing

Click the rendered README.md markdown to contributing.

[X] Confirm that any associated issues are indicated in the pull request title
[X] Rebase your PR against the latest commit within the target branch
[X] Include steps to verify and test the intended change
[X] Write or update unit tests and/or integration tests to verify your changes
[X] Run shellcheck against any new or updated shell scripts, indicating the reasoning behind any disabled checks
[X] Indicate whether or not this is a breaking change
[X] Ensure that any new dependencies are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0