Implement airspy_adsb send support.

send.c

@@ -11,6 +11,7 @@
 
 #include "send.h"
 
+#include "airspy_adsb.h"
 #include "beast.h"
 #include "json.h"
 #include "raw.h"
@@ -30,6 +31,10 @@ struct serializer {
 	serializer serialize;
 	struct send *send_head;
 } serializers[] = {
+	{
+		.name = "airspy_adsb",
+		.serialize = airspy_adsb_serialize,
+	},
 	{
 		.name = "beast",
 		.serialize = beast_serialize,