message: docs: Add missing COPR entry to ToC
diff: @@ -17,6 +17,7 @@ A cross-platform graphical process/system monitor with a customizable interface
  - [Cargo](#cargo)
  - [AUR](#aur)
  - [Debian (and Debian-based)](#debian)
  + - [Fedora/CentOS](#fedoracentos)
  - [Homebrew](#homebrew)
  - [Scoop](#scoop)
  - [Chocolatey](#chocolatey)
  