add the wind data

BaseTypes.proto

@@ -6,6 +6,12 @@ message Coordinate {
     double longitude = 2; // WGS84 longitude in degrees
 }
 
+message WindData {
+    int32 altitude  = 1; // The altitude of the wind data
+    int32 direction = 2; // The wind direction
+    int32 speed     = 3; // The wind speed
+}
+
 message Waypoint {
     string name = 1; // The waypoint's name
     string pta  = 2; // The planned time of arrival (YYYY-MM-DD HH:MM:SS)