Love the idea! Hope it catches on... People always seem incredibly impressed by developers without realizing the incredibly low cost and commitment to entry. Let's hope it takes off!
If you like this, but you already know how to code, you should definitely take a look at 24 Pull Requests: 24pullrequests.com
Fantastic project that's been running for a few years now, encouraging and helping developers to contribute 24 pull requests for the 24 days of advent up to Christmas.
HTTP Toolkit