Add timestamp to JSDroneData

Include timestamp into position array

include/pubsub.h

@@ -25,6 +25,7 @@ typedef struct {
     UA_Double longitude;
     UA_Double altitudeAbs;
     UA_Double altitudeRel;
+    UA_Double timestamp;
     UA_Float  yaw;
     UA_Float  speed;
     UA_Float  climbRate;

qjs_wrapper.c

@@ -183,6 +183,8 @@ static JSValue js_drone_get(JSContext *ctx, JSValueConst thisVal, int magic)
             pthread_cond_signal(&threadCond);
             pthread_mutex_unlock(&mutex);
             return res;
+        case 9:
+            return JS_NewFloat64(ctx, s->timestamp);
         default:
             return JS_EXCEPTION;
     }
@@ -261,6 +263,7 @@ static const JSCFunctionListEntry js_drone_proto_funcs[] = {
     JS_CGETSET_MAGIC_DEF("speed", js_drone_get, NULL, 6),
     JS_CGETSET_MAGIC_DEF("climbRate", js_drone_get, NULL, 7),
     JS_CGETSET_MAGIC_DEF("message", js_drone_get, NULL, 8),
+    JS_CGETSET_MAGIC_DEF("timestamp", js_drone_get, NULL, 9),
     JS_CFUNC_DEF("init", 1, js_drone_init),
 };
 
@@ -370,6 +373,7 @@ static void pubsub_update_variables(UA_UInt32 id, const UA_DataValue *var, bool
             s->longitude = positionArray[1];
             s->altitudeAbs = positionArray[2];
             s->altitudeRel = positionArray[3];
+            s->timestamp = positionArray[4];
 
             if (print) {
                 UA_LOG_INFO(logger, UA_LOGCATEGORY_CLIENT,