Refactoring of BLE service discovery : it is now implemented into the classes of the services.

src/components/ble/ServiceDiscovery.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <array>
+#include <functional>
+#include <memory>
+#include "BleClient.h"
+
+namespace Pinetime {
+  namespace Controllers {
+    class ServiceDiscovery {
+      public:
+        ServiceDiscovery(std::array<BleClient*, 2>&& bleClients);
+
+        void StartDiscovery(uint16_t connectionHandle);
+
+
+      private:
+        BleClient** clientIterator;
+        std::array<BleClient*, 2> clients;
+        void OnServiceDiscovered(uint16_t connectionHandle);
+        void DiscoverNextService(uint16_t connectionHandle);
+    };
+  }
+}