add list internal-reference

internal/use-case/main-use-case/internal-reference/middleware.go

@@ -0,0 +1,9 @@
+package internal_reference
+
+// example of middleware
+// func init() {
+// 	createPreMw = append(createPreMw,
+// 		CreateMw{Name: "modif-input", Func: pm.ModifInput},
+// 		CreateMw{Name: "check-data", Func: pm.CheckData},
+// 	)
+// }