Sync async_nats work with master

Signed-off-by: Alex Ellis <alexellis2@gmail.com>

gateway/requests/requests.go

@@ -77,3 +77,10 @@ type Function struct {
 	Replicas        uint64  `json:"replicas"`
 	EnvProcess      string  `json:"envProcess"`
 }
+
+// AsyncReport is the report from a function executed on a queue worker.
+type AsyncReport struct {
+	FunctionName string  `json:"name"`
+	StatusCode   int     `json:"statusCode"`
+	TimeTaken    float64 `json:"timeTaken"`
+}