pijul: enable colored help messages

Dependencies

• [2] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).
• [3] G4ROOMN2

Change contents

• edit in pijul/src/main.rs at line 11
  [2.84162]

  [2.84162]
  + use clap::AppSettings;
• replacement in pijul/src/main.rs at line 25
  [2.84405]→[2.84405:84468](∅→∅)
  − #[clap(version = crate_version!(), author = crate_authors!())]
  [2.84405]

  [2.84468]
  + #[clap(version = crate_version!(), author = crate_authors!(), setting(AppSettings::ColoredHelp))]