message: Document blacklist subcommand
diff: @@ -142,6 +142,16 @@ docker-compose run web build world
  docker-compose run -v "$(realpath <SOURCE>)":/build web build crate --local /build
  ```
  +#### `blacklist` subcommand
  +
  +```sh
  +# Adds <CRATE_NAME> to the blacklist
  +# Crates on the blacklist will not be built
  +docker-compose run web blacklist add <CRATE_NAME>
  +
  +# Removes <CRATE_NAME> from the blacklist
  +docker-compose run web blacklist remove <CRATE_NAME>
  +```
  #### `database` subcommand
  