We need to support both `assets.vercel.com` as well as `assets.zeit.co` for backwards compatibility, but we'll change the default to `assets.vercel.com`.
- Upgrade Node 10 to Node 12
- Bump dependencies to the latest version
- Fix a small typescript issue @Snazzyham mentioned #105
- Fix perf by using `setContent()` instead of writing a file each request per @ChristopherBiscardi, [suggested on twitter](https://twitter.com/chrisbiscardi/status/1239686555972718593)
* Change default to ZEIT logo
* Apply suggestions from code review
Remove Now logo from dropdown
Co-Authored-By: Paco <34928425+pacocoursey@users.noreply.github.com>
Steven
Mike Barkmin