message: chore: Change Gitter link to Discord
diff: @@ -27,7 +27,7 @@ Please feel free to open an issue using the [feature request template][new-issue
  If you're looking for somewhere to start, check out the [E-easy][e-easy] and
  [E-mentor][e-mentor] tags.
  -Feel free to ask for guidelines on how to tackle a problem on [gitter][] or open a
  +Feel free to ask for guidelines on how to tackle a problem on [Discord][discord] or open a
  [new issue][new-issues]. This is especially important if you want to add new
  features to SWC or make large changes to the already existing code-base.
  The SWC core developers will do their best to provide help.
  @@ -102,7 +102,7 @@ After cloning the project there are a few steps required to get the project runn
  After the pull request is made, one of the SWC project developers will review your code.
  The review-process will make sure that the proposed changes are sound.
  Please give the assigned reviewer sufficient time, especially during weekends.
  -If you don't get a reply, you may ping the core developers on [gitter].
  +If you don't get a reply, you may ping the core developers on [Discord][discord].
  A merge of SWC's master-branch and your changes is immediately queued
  to be tested after the pull request is made. In case unforeseen
  @@ -165,7 +165,7 @@ adding labels to triage issues:
  [e-easy]: https://github.com/swc-project/swc/labels/E-easy
  [e-mentor]: https://github.com/swc-project/swc/labels/E-mentor
  [code of conduct]: https://www.rust-lang.org/conduct.html
  -[gitter]: https://gitter.im/swcproject/Lobby
  +[discord]: https://discord.gg/2ZhncgMt
  [`testing/lib.rs`]: https://github.com/swc-project/swc/blob/master/testing/src/lib.rs
  [irlo]: https://internals.rust-lang.org/
  [subcommands]: https://doc.rust-lang.org/cargo/reference/external-tools.html#custom-subcommands
  