A first attempt to make dialogue capability for module

module/module.h

@@ -32,6 +32,7 @@ public:
     static std::string_view pop(std::string_view& input, char delimiter = ' ');
 
     virtual Shared::Result message(const std::shared_ptr<::Actor>& actor, std::string_view view) = 0;
+    virtual void cancelDialog(const std::shared_ptr<::Actor>& actor);
 
 public:
     const std::string name;