* [manual] make untagged enum for consistent API for FeedbackStrategy
* add #[validate(nested)]
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Co-authored-by: Luis Cossío <luis.cossio@outlook.com>
* add rest and grpc interfaces
Also handle inference for this query
* follow refactor from base branch
* renaming from Ms Cooper
* get started on validation testing
* more validations
* test equivalence with query when less than 2 feedback elements
* rename feedback query to relevance_feedback query
* fix extraction of context pairs
* rename feedback vector to example
* make coderabbit happier
* upd test
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Co-authored-by: Arnaud Gourlay <arnaud.gourlay@gmail.com>
