spin up and cleanup belong to animation

animateDoorbell.go

@@ -13,6 +13,16 @@ type Doorbell struct {
 	image image.Image
 }
 
+func (a *Animation) animateDoorbell() {
+	if a.countDown > 0 {
+		a.ctx.DrawImageAnchored(a.doorbell.image, 0, 0, 0, 0)
+		a.countDown -= 50
+	} else {
+		a.doorbell = Doorbell{}
+		a.countDown = 5000
+		a.ctx.Pop()
+	}
+}
 func loadImage(imgType string, img string, a *Animation) {
 	baseImage, _ := b64.StdEncoding.DecodeString(img)
 	bigImage, _, _ := image.Decode(bytes.NewReader(baseImage))