API to receive an email address and set it (#2095)

* Generate swagger code for new endpoints
* Implemetn swagger APIs
* Add unit tests

operatorapi/configure_operator.go

@@ -89,6 +89,7 @@ func configureAPI(api *operations.OperatorAPI) http.Handler {
 	registerVolumesHandlers(api)
 	// Namespaces handlers
 	registerNamespaceHandlers(api)
+	registerMarketplaceHandlers(api)
 
 	api.PreServerShutdown = func() {}