fix #123 - No autoforward after initiated update

Ota.h

@@ -10,8 +10,11 @@ public:
     void updateFirmware(uint8_t* buf, size_t size);
 
     bool updateStarted();
+    bool updateCompleted();
+    void restart();
 
 private:
     bool _updateStarted = false;
+    bool _updateCompleted = false;
     esp_ota_handle_t otaHandler = 0;
 };