Refactored HTTP request methods by removing explicit `responseType` parameters where possible and adjusting to specific response mapping needs. Additionally, updated Javadoc documentation language from German to English for consistency, improving clarity and accessibility.
Introduce Javadoc-related files (`javadoc.sh`, `options`, and `packages`) for API documentation generation. Update README to improve clarity on usage examples and remove redundant "Example" headings for a cleaner presentation.
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