Store your data in ProBot database easily, using the embed messages feature, for free :).
npm i -S probot.dbNow all you need is a server ID with ProBot, and your auth token from probot.io.
constProBotDB=require('probot.db');constdatabase=newProBotDB('auth token','server ID','embed name');awaitdatabase.set('foo','bar');awaitdatabase.get('foo');// barawaitdatabase.delete('foo');awaitdatabase.clear();