Converted test application from QuickApp to proper sub class.

private/raid_test/main.cpp

@@ -1,40 +1,7 @@
 
-#include "raid/raid.hpp"
-
-#include <imgui.h>
-
-namespace
-{
-void render()
-{
-    if (ImGui::BeginMenuBar())
-    {
-        if (ImGui::BeginMenu("File"))
-        {
-            if (ImGui::MenuItem("Quit"))
-            {
-                raid::QuickApp::get().requestQuit();
-            }
-            ImGui::EndMenu();
-        }
-        ImGui::EndMenuBar();
-    }
-    ImGui::Text("hi");
-
-    ImGui::Begin("Test");
-        ImGui::Text("Test Content");
-    ImGui::End();
-}
-}
+#include "./application.hpp"
 
 int main(int argc, char* argv[])
 {
-    return raid::runQuick(argc, argv, {
-        .callbacks = {
-            .render = &render
-        },
-        .folderName = "raid_test_app",
-        .windowTitle = "RAID Test App",
-        .mainWindowFlags = raid::DEFAULT_MAIN_WINDOW_FLAGS | ImGuiWindowFlags_MenuBar
-    });
+    return raid_test::gApplication.run(argc, argv);
 }