Commander: high wind speed handling updates

- add logic for detecting high wind speed in Commander,
and handle it toghether with wind speed warning
- trigger and enforce RTL if COM_WIND_MAX is breached

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>

src/modules/commander/commander_params.c

@@ -1083,3 +1083,20 @@ PARAM_DEFINE_FLOAT(COM_WIND_WARN, -1.f);
  * @group Commander
  */
 PARAM_DEFINE_INT32(COM_FLT_TIME_MAX, -1);
+
+/**
+ * Wind speed RLT threshold
+ *
+ * Wind speed threshold above which an automatic return to launch is triggered
+ * and enforced as long as the threshold is exceeded.
+ *
+ * A negative value disables the feature.
+ *
+ * @min -1
+ * @max 30
+ * @decimal 1
+ * @increment 0.1
+ * @group Commander
+ * @unit m/s
+ */
+PARAM_DEFINE_FLOAT(COM_WIND_MAX, -1.f);