server : add TEI API format for /rerank endpoint (#11942)
* server : add TEI API format for /rerank endpoint
* Apply suggestions from code review
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
* fix
* also gitignore examples/server/*.gz.hpp
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Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
