OpenHeart protocol API

https://openheart.wooter.bronti.dev

GET /<domain>/<uid> to look up reactions for <uid> under <domain>
GET /<domain> to look up reactions for everything under <domain>

POST /<domain>/<uid> to send an emoji

<uid> must not contain a forward slash.
<domain> owner has the right to remove data under its domain scope.

( derived from https://github.com/dddddddddzzzz/api-oh )

----- Test in CLI -----
Send emoji:
curl -d '<emoji>' -X POST 'https://openheart.wooter.bronti.dev/example.com/uid'

Get all emoji counts for /example.com/uid:
curl 'https://openheart.wooter.bronti.dev/example.com/uid'