Reqrite project as BEd specific.

include/internal/commands/suffixes.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "definitions.h"
+#include "pch.h"
+
+namespace bed::internal::commands {
+struct Suffix {
+  std::string desc;
+  void (*handle)(BEd &);
+
+  static void register_suffixes(BEd &ctx);
+};
+} // namespace bed::internal::commands