Extract handler_set.go

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

gateway/types/handler_set.go

@@ -0,0 +1,20 @@
+package types
+
+import "net/http"
+
+// HandlerSet can be initialized with handlers for binding to mux
+type HandlerSet struct {
+	Proxy          http.HandlerFunc
+	DeployFunction http.HandlerFunc
+	DeleteFunction http.HandlerFunc
+	ListFunctions  http.HandlerFunc
+	Alert          http.HandlerFunc
+	RoutelessProxy http.HandlerFunc
+	UpdateFunction http.HandlerFunc
+
+	// QueuedProxy - queue work and return synchronous response
+	QueuedProxy http.HandlerFunc
+
+	// AsyncReport - report a deferred execution result
+	AsyncReport http.HandlerFunc
+}