The `strings.Title` function is deprecated because it does not handle Unicode punctuation correctly.
This change replaces its usage in the DOCX, HTML, and Markdown exporters with the recommended `golang.org/x/text/cases` package. This ensures more robust and accurate title-casing for item headings.
Adds a comprehensive Taskfile.yml to centralize all project scripts for building, testing, linting, and Docker image management.
The GitHub Actions CI workflow is refactored to utilize these `task` commands, resulting in a cleaner, more readable, and maintainable configuration. This approach ensures consistency between local development and CI environments.
- Implement tests for the app service, including course processing from file and URI.
- Create mock implementations for CourseParser and Exporter to facilitate testing.
- Add tests for HTML cleaner service to validate HTML content cleaning functionality.
- Develop tests for the parser service, covering course fetching and loading from files.
- Introduce tests for utility functions in the main package, ensuring URI validation and string joining.
- Include benchmarks for performance evaluation of key functions.
