added project loader

src/ProjectManifestFile.h

@@ -0,0 +1,19 @@
+//
+// Created by slinky on 5/14/26.
+//
+
+#ifndef B_ENGINE_PROJECTMANIFESTFILE_H
+#define B_ENGINE_PROJECTMANIFESTFILE_H
+
+#include <string_view>
+#include <memory>
+
+#include "ProjectManifest.h"
+
+class ProjectManifestFile {
+public:
+    static std::unique_ptr<ProjectManifest> load(std::string_view _path);
+    static bool save(std::string_view _path, ProjectManifest* _project);
+};
+
+#endif //B_ENGINE_PROJECTMANIFESTFILE_H