message: Add Fedora Copr install instructions
diff: @@ -100,6 +100,19 @@ nix-env -iA nixos.alacritty
  eopkg install alacritty
  ```
  +### Fedora
  +
  +Unofficial builds of stable tags can be found in Fedora Copr:
  +[pschyska/alacritty](https://copr.fedorainfracloud.org/coprs/pschyska/alacritty/).
  +
  +``` sh
  +dnf copr enable pschyska/alacritty
  +dnf install alacritty
  +```
  +
  +If you want to help test pre-releases, you can additionally enable
  +[pschyska/alacritty-testing](https://copr.fedorainfracloud.org/coprs/pschyska/alacritty-testing/).
  +
  ### macOS
  ```sh
  