People posts simple projects, learning projects, projects that are inadvertently a dupe of some other project, projects that are deliberately patterned after existing projects, etc, etc, etc all the time.
sure I did but I didn't bother with a "Show HN", also this is well beyond the scope of a Hello World. It just made me wonder if OP hasn't studied what was already out there and if he did why no explanation or credit or mention of Steven's work ...
even if he disagreed with Steven solution and chose to reimplement, it would have been interesting to understand what the motivation was. I'm not saying he shouldn't, but just that it would be nice to know what motivated his design and why he thinks it's better to redo ...