docs(gettext): update README with new XML comment removal and text wr…

…apping features

Why: The plugin now includes new features (removeComments and noWrap) that need to be documented for users to understand and use them effectively.

What: Add comprehensive documentation for both new features including usage examples, configuration options, and benefits. Update existing examples to showcase the new capabilities.

Progress: 1/1 complete — Next: ready for release with updated documentation.

Release 0.2.5: deterministic gettext outputs; docs and metadata updates