Codechange: add missing @param and @return

src/misc.cpp

@@ -62,6 +62,8 @@ void InitializeOldNames();
  * It isn't as much of an unique ID but more a hashed digest of a random
  * string and a time. It is very likely to be unique, but it does not follow
  * any UUID standard.
+ * @param subject What to create the ID for.
+ * @return The generated ID.
  */
 std::string GenerateUid(std::string_view subject)
 {