Update generate pipeline to add OpenAI api as an additional backend (for comparison testing), add brewery coordinates (#244)

* add brewery coordinates

* Add openai mode

* Add coordinates to schema

* Fix C++ review findings in pipeline: k-prefixed enum values, include ordering, populated validation error messages, conventional const notation, and endl replaced with newline

tooling/pipeline/includes/data_model/generated_models.h

@@ -94,6 +94,8 @@ struct EnrichedCity {
 struct BreweryAddress {
    City city;
    std::string postal_code{};
+   double longitude{};
+   double latitude{};
 };
 
 /**