Enable deactivation of BLE connect (#895)

Useful if you want to scan continuously for BLE device, in this case you should deactivate the BLE connect to avoid concurrency between scan and connect

main/config_BT.h

@@ -36,6 +36,10 @@ extern void launchBTDiscovery();
 extern int btQueueBlocked;
 extern int btQueueLengthSum;
 extern int btQueueLengthCount;
+#  ifndef AttemptBLECOnnect
+#    define AttemptBLECOnnect true //do we by default attempt a BLE connection to sensors with ESP32
+#  endif
+bool bleConnect = AttemptBLECOnnect;
 #endif
 
 /*----------------------BT topics & parameters-------------------------*/