doc: add rql
@@ -1017,6 +1017,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
* [graphql](https://github.com/neelance/graphql-go) - GraphQL server with a focus on ease of use.
* [graphql-go](https://github.com/graphql-go/graphql) - Implementation of GraphQL for Go.
* [jsonql](https://github.com/elgs/jsonql) - JSON query expression library in Golang.
+* [rql](https://github.com/a8m/rql) - Resource Query Language for REST API.
## Resource Embedding
