yarn install
create a .env file based on .env.example. These should also be the env variables loaded into Heroku (with NODE_ENV="production")
Web3 wallet connection cloned from: https://github.com/web3modal/web3modal
Server side web3 auth inspired by: https://m1guelpf.blog/VBlaOTPAxQNFHjl5n-C3BvhkpizvAui9A4RJDwFiQ3k
Heroku deploy failing? It's probably running out of memory. Do this: https://stackoverflow.com/questions/59205530/heroku-server-crashes-with-javascript-heap-out-of-memory-when-deploying-react