Post a shout message

curl --request PATCH \
  --url https://api.readmin.app/ranking/shout \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data '{
  "message": "<string>"
}'

{
  "success": true,
  "message": "Shout has been posted"
}