How To: Token and whitelist update for non mainnet

1. Clone assets repo
2. Switch to refactor-for-multichain branch
3. Create new branch
4. Add token address to xxxxx_listed.json and xxxxx_vetted.json (xxxxx = arbitrum or polygon), address should match blockchain explorer case
5. Add token image to assets folder, must be png file and a lowercase address
6. Run ‘yarn generate’ (you may need to run this 3 times before it completes, make sure you see "Done" status)
7. Adjust URL in xxxxx_listed.json and xxxxx_vetted.json (xxxxx = arbitrum or polygon) in the generated folder to ‘refactor-for-multichain’ from ‘master’
8. Commit changes
9. Open a new PR and merge your branch with refactor-for-multichain branch