message: chore: Add discord server link to `README.md`
diff: @@ -57,7 +57,7 @@ Please see [benchmark results](https://swc.rs/docs/benchmark-transform) on the w
  swc is a community-driven project, and is maintained by a group of [volunteers](https://opencollective.com/swc#team). If you'd like to help support the future of the project, please consider:
  -- Giving developer time on the project. (Message us on [Github discussions](https://github.com/swc-project/swc/discussions) (preferred) or [Slack](https://swc-org.slack.com/) for guidance!)
  +- Giving developer time on the project. (Message us on [Discord](https://discord.gg/GnHbXTdZz6) (preferred) or [Github discussions](https://github.com/swc-project/swc/discussions) for guidance!)
  - Giving funds by becoming a sponsor (see https://opencollective.com/swc)!
  ## Contributing
  