Vendor rlottie sources with CMake and MinGW build adjustments

tools/chatgui/rlottie_src/example/win32Player/framework.h

@@ -0,0 +1,15 @@
+// header.h : include file for standard system include files,
+// or project specific include files
+//
+
+#pragma once
+
+#include "targetver.h"
+#define WIN32_LEAN_AND_MEAN             // Exclude rarely-used stuff from Windows headers
+// Windows Header Files
+#include <windows.h>
+// C RunTime Header Files
+#include <stdlib.h>
+#include <malloc.h>
+#include <memory.h>
+#include <tchar.h>