Add Text rendering

- Add FreeType as dependency
- Add MsdfGen as dependency
- Add MsdfAtlasGen as dependency

CopiumEngine/ext/include/msdfgen/core/save-bmp.h

@@ -0,0 +1,16 @@
+
+#pragma once
+
+#include "BitmapRef.hpp"
+
+namespace msdfgen {
+
+/// Saves the bitmap as a BMP file.
+bool saveBmp(const BitmapConstRef<byte, 1> &bitmap, const char *filename);
+bool saveBmp(const BitmapConstRef<byte, 3> &bitmap, const char *filename);
+bool saveBmp(const BitmapConstRef<byte, 4> &bitmap, const char *filename);
+bool saveBmp(const BitmapConstRef<float, 1> &bitmap, const char *filename);
+bool saveBmp(const BitmapConstRef<float, 3> &bitmap, const char *filename);
+bool saveBmp(const BitmapConstRef<float, 4> &bitmap, const char *filename);
+
+}