Add Main UI, Fuel meter. Add particles to player digging

Game/Gui/Screens/MainScreen.h

@@ -0,0 +1,18 @@
+#pragma once
+#include "Gui/GuiMeter.h"
+#include "Gui/Screen.h"
+
+class MainScreen: public Screen {
+public:
+	explicit MainScreen(TextureManager* manager);
+	virtual ~MainScreen() override;
+
+	virtual void Draw() const override;
+	virtual void Update(float elapsedSecs) override;
+
+	void SetFuelMeterValue(float value) const;
+
+private:
+	GuiMeter* m_FuelMeter;
+	
+};