* adds Filter gRPC and make protobuf
* adds route for querying the filter gRPC
* wires up Filter gRPC call
* [WIP] index from start
* renames gRPC endpoint to "Search"
* adds /apis/search route into k8s routes. Hacky for now.
* updates readme - wrong casing
* adds feature toggle for unified storage search
* hides US search behind feature flag. Clean up print statements.
* removes indexer - will be added in another PR
* Search: Add API Builder
* adds required method
* implementing UpdateAPIGroupInfo (WIP)
* adds groupversion
* commenting out for now
* remove unneeded code from experimenting and update register.go to match interface required
* namespaces search route
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Co-authored-by: leonorfmartins <leonorfmartins@gmail.com>
Co-authored-by: Todd Treece <todd.treece@grafana.com>
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