Total rework HAP pkg and HomeKit source

pkg/hap/camera/ch120_streaming_status.go

@@ -0,0 +1,13 @@
+package camera
+
+const TypeStreamingStatus = "120"
+
+type StreamingStatus struct {
+	Status byte `tlv8:"1"`
+}
+
+const (
+	StreamingStatusAvailable   = 0
+	StreamingStatusBusy        = 1
+	StreamingStatusUnavailable = 2
+)