chat history, better turn queue updates

pi/roverd/command.go

@@ -29,6 +29,7 @@ type inboundMessage struct {
 	TTS          *ttsPayload          `json:"tts,omitempty"`
 	NightVision  *nightVisionPayload  `json:"nightVision,omitempty"`
 	Song         *songPayload         `json:"song,omitempty"`
+	IR           *irPayload           `json:"ir,omitempty"`
 }
 
 type driveDirectPayload struct {
@@ -79,6 +80,11 @@ type songNote struct {
 	Duration int `json:"duration"`
 }
 
+type irPayload struct {
+	Code   int `json:"code"`
+	Repeat int `json:"repeat,omitempty"`
+}
+
 type ackMessage struct {
 	Type   string `json:"type"`
 	ID     string `json:"id"`