feat: add new rule for BMapInspector

Ballance/BMapInspector/Rule/LXRules.hpp

@@ -0,0 +1,22 @@
+#pragma once
+#include "../Rule.hpp"
+
+namespace BMapInspector::Rule {
+
+	/**
+	 * @brief LengXi Rule 1
+	 * @details
+	 * All meshes, materials and textures used by Ballance elements should not be used by any other objects.
+	 */
+	class LXRule1 : public IRule {
+	public:
+		LXRule1();
+		virtual ~LXRule1();
+		YYCC_DELETE_COPY_MOVE(LXRule1)
+
+	public:
+		std::u8string_view GetRuleName() const override;
+		void Check(Reporter::Reporter& reporter, Map::Level& level) const override;
+	};
+
+}