add scene save and load in quasar backend

backend/models/scenes.go

@@ -0,0 +1,11 @@
+package models
+
+type Scenes []Scene
+
+type Scene struct {
+	Name       string  `json:"name"`
+	Desciption string  `json:"description,omitempty"`
+	MovingHead bool    `json:"movingHead"`
+	LightBar   bool    `json:"lightBar"`
+	Values     []Value `json:"values,omitempty"`
+}