refactor: + xo-stringtable2 w/ DString impl

include/xo/stringtable2/init_stringtable2.hpp

@@ -0,0 +1,21 @@
+/** @file init_stringtable2.hpp
+ *
+ *  @author Roland Conybeare, Jan 2026
+ **/
+
+#pragma once
+
+#include <xo/subsys/Subsystem.hpp>
+
+namespace xo {
+    /* tag to represent the xo-expression2/ subsystem within ordered initialization */
+    enum S_stringtable2_tag {};
+
+    template <>
+    struct InitSubsys<S_stringtable2_tag> {
+        static void init();
+        static InitEvidence require();
+    };
+} /*namespace xo*/
+
+/* end init_stringtable2.hpp */