Load and render proper icons

Signed-off-by: Slendi <slendi@socopon.com>

src/App.hpp

@@ -22,6 +22,7 @@ extern "C" {
 #include <wayland-egl.h>
 #include <xkbcommon/xkbcommon.h>
 
+#include "IconRegistry.hpp"
 #include "ImGui.hpp"
 #include "TextRenderer.hpp"
 #include "Theme.hpp"
@@ -217,6 +218,7 @@ private:
 
 	enum_array<Theme, ColorScheme> m_themes { make_default_themes() };
 	Theme m_active_theme { Theme::Light };
+	IconRegistry m_ir;
 
 	int m_win_w { 800 };
 	int m_win_h { 600 };