You're better off showhning the thing itself, like here https://news.ycombinator.com/item?id=42559726 https://news.ycombinator.com/item?id=42559726 rather than

You're better off showhning the thing itself, like here https://news.ycombinator.com/item?id=42559726 https://news.ycombinator.com/item?id=42559726 rather than an example/demo of it and linking the github repo as your main submission. You could include the example and link to the video in your blurb.