GitHubSync

Webhook to commit vals to GitHub and sync code from GitHub back to Val Town

This is the next version of https://www.val.town/v/jxnblk/gitHubSync

Note: This will currently only work with non-project vals until the SDK supports projects.

• Basic webhook handler w/ secrets
• GitHub commit util
• Val Town SDK to write vals
• Make private val to call sync to GitHub webhook