add: Simple widget system

frame/src/main.cpp

@@ -6,10 +6,31 @@
 
 using namespace std::chrono_literals;
 
+#include "ScreenManager.hpp"
 #include "display/Display.hpp"
 #include "font/Font.hpp"
 #include "render/RenderTarget.hpp"
+#include "widgets/clock/Analog.hpp"
 
+int main()
+{
+    auto display = frame::display::Create();
+
+    if(!display)
+    {
+        return 0;
+    }
+
+    display->Init();
+
+    frame::ScreenManager screen(std::move(display));
+
+    screen.setRoot(frame::widgets::AnalogClock::Create());
+
+    screen.MainLoop();
+}
+
+/*
 int main()
 {
     constexpr double pi = 3.14159;
@@ -167,7 +188,7 @@ int main()
 
     display->Clear(frame::display::Color::WHITE);
 }
-
+*/
 /*
 #include <EPD_7in5_V2.h>