Add Text rendering

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

CopiumEngine/ext/include/msdfgen/core/shape-description.h

@@ -0,0 +1,16 @@
+
+#pragma once
+
+#include <cstdlib>
+#include <cstdio>
+#include "Shape.h"
+
+namespace msdfgen {
+
+/// Deserializes a text description of a vector shape into output.
+bool readShapeDescription(FILE *input, Shape &output, bool *colorsSpecified = NULL);
+bool readShapeDescription(const char *input, Shape &output, bool *colorsSpecified = NULL);
+/// Serializes a shape object into a text description.
+bool writeShapeDescription(FILE *output, const Shape &shape);
+
+}