A first attempt to make dialogue capability for module

module/module.cpp

@@ -47,3 +47,7 @@ std::string_view Module::Module::pop(std::string_view& input, char delimiter) {
 
     return token;
 }
+
+void Module::Module::cancelDialog(const std::shared_ptr<::Actor>& actor) {
+    warn("Dialog with " + actor->jid + " was requested to be canceled, but this module doesn't handle canceling dialogs");
+}