* Start customizing opengraph image
* Fix cover image size to 1200x630
* Design a text-based, dynamic preview card
* Load designed html into template.ts
Remove twemoji for now too
* Take in params to configure Manifold card
* Switch back to hardcoded png for default case
* Copy in og-image code
* Add "yarn start" command in lieu of vercel
* Don't require that images be sourced from vercel
* Load in Major Mono and Readex fonts
* Fix vercel config (?)
* Replace default image with Manifold's
* Add some brief instructions on getting started
* In the UI, use the default image
* Fix typescript errors
* More typescript fixing