message: add blacklisting crates to the docs.rs docs
diff: @@ -93,6 +93,21 @@ cratesfyi database delete-crate CRATE_NAME
  The command will remove all the data from the database, and then remove the
  files from S3.
  +### Blacklisting crates
  +
  +Occasionally it might be needed to prevent a crate from being built on docs.rs,
  +for example if we can't legally host the content of those crates. To add a
  +crate to the blacklist, preventing new builds for it, you can run:
  +
  +```
  +cratesfyi database blacklist add <CRATE_NAME>
  +```
  +
  +Other operations (such as `list` and `remove`) are also supported.
  +
  +> **Warning:** blacklisting a crate doesn't remove existing content from the
  +> website, it just prevents new versions from being built!
  +
  [repo]: https://github.com/rust-lang/docs.rs
  [grafana-instance]: https://grafana.rust-lang.org/d/rpXrFfKWz/instance-metrics?orgId=1&var-instance=docsrs.infra.rust-lang.org:9100
  [grafana-app]: https://grafana.rust-lang.org/d/-wWFg2cZz/docs-rs?orgId=1
  