add file_util

src/app/core/utils/file_util.cc

@@ -0,0 +1,25 @@
+#include "file_util.h"
+
+#if defined(_WIN32)
+#include <windows.h>
+#else
+#include <dirent.h>
+#include <sys/stat.h>
+#endif
+
+#include <fstream>
+#include <sstream>
+
+namespace yaze {
+namespace app {
+namespace core {
+
+std::string LoadFile(const std::string& filename) {
+  std::string contents;
+  // TODO: Load a file based on the platform and add error handling
+  return contents;
+}
+
+}  // namespace core
+}  // namespace app
+}  // namespace yaze