Start implementing SystemSaveData

src/core/fs/archive_system_save_data.cpp

@@ -0,0 +1,12 @@
+#include <algorithm>
+#include "fs/archive_system_save_data.hpp"
+
+namespace fs = std::filesystem;
+
+Rust::Result<ArchiveBase*, HorizonResult> SystemSaveDataArchive::openArchive(const FSPath& path) {
+	if (path.type != PathType::Empty) {
+		Helpers::panic("Unimplemented path type for SystemSaveData::OpenArchive");
+	}
+
+	return Ok((ArchiveBase*)this);
+}