Personally, I think it a good practice to acknowledge FULLY the source of a project. This isn't just your Buildspace project. This is BUILDSPACE'S CODE, TEXT, everything, copied from the Buildspace project you did, and posted as YOUR WORK here on Medium. Not really cool to do that, you know. At the very least, publish a link to Buildspace and acknowledge that you didn't write ONE WORD of this post. At best, take it down as it is plagiarism. And a pretty shitty thing to do, too.