Uploading to Codecov just got easier

This post introduces the integration of Codecov with Azure Pipelines for code coverage tracking. It details how to replace existing CI configurations (like .travis.yml) with an Azure Pipelines YAML definition to run tests using `coverage.py` and then upload the results to Codecov using their bash uploader. A key contribution is the enablement of tokenless uploads for public Azure Pipelines projects, simplifying secret management for users.