Add BleController to manage the BLE connection status

src/Components/Ble/BleController.cpp

@@ -0,0 +1,11 @@
+#include "BleController.h"
+
+using namespace Pinetime::Controllers;
+
+void Ble::Connect() {
+  isConnected = true;
+}
+
+void Ble::Disconnect() {
+  isConnected = false;
+}

src/Components/Ble/BleController.h

@@ -0,0 +1,15 @@
+#pragma once
+
+namespace Pinetime {
+  namespace Controllers {
+    class Ble {
+      public:
+        bool IsConnected() const {return isConnected;}
+        void Connect();
+        void Disconnect();
+
+      private:
+        bool isConnected = false;
+    };
+  }
+}