I was working in agency-land back in 2016 when @Netlify introduced their Deploy Button. I instantly loved it.
It let me create a set of project starter templates which could all be cloned to bootstrap new projects with a single click.
https://www.netlify.com/blog/2016/11/29/introducing-the-deploy-to-netlify-button/?utm_source=twitter&utm_medium=deploybutton-pnh&utm_campaign=devex
My tweets and posts live here on my own domain these days.
You can explore them here and follow me on Mastodon instead of Twitter where I'm not currently active.