added back legacy code

legacy/src/util/filereader.cpp

@@ -0,0 +1,15 @@
+#include "filereader.hpp"
+
+#include <fstream>
+
+FileReader::FileReader() {
+
+}
+
+std::string FileReader::LoadTextFromFile(std::string path) {
+	std::ifstream t(path);
+	std::string text((std::istreambuf_iterator<char>(t)),
+		std::istreambuf_iterator<char>());
+	return text;
+}
+