staging some future refactoring, .h -> hpp, fix for rendering w/ audio

src/imgui/wizard/generate_animation_from_grid.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+#include "canvas.h"
+#include "document.h"
+#include "resources.h"
+#include "settings.h"
+
+namespace anm2ed::imgui::wizard
+{
+  class GenerateAnimationFromGrid : public Canvas
+  {
+    float time{};
+
+  public:
+    bool isEnd{};
+
+    GenerateAnimationFromGrid();
+    void update(Document&, Resources&, Settings&);
+  };
+}