Alternative Sourcify sources

Rather than using the default ipfs.io and repo.sourcify.dev sites for accessing Sourcify, you may specify your own Sourcify root URLs in the configuration file by adding the sourcifySources key and changing the URLs accordingly:

"sourcifySources": {
  "ipfs": "https://ipfs.io/ipns/repo.sourcify.dev",
  "central_server": "https://repo.sourcify.dev"
}

This is useful if you have your own Sourcify repository hosted locally, in which case all of your Otterscan activity will be private.