Rework mirai core

external/mirai-core-old/include/mirai-core/using.h

@@ -0,0 +1,16 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+using Tags = std::vector<std::string>;
+}