difftastic: add defelo as maintainer

Defelo requested to be added as a maintainer in code review.

Signed-off-by: Ethan Carter Edwards <[email protected]>

Author: ethancedwards8

pkgs/by-name/di/difftastic/package.nix

@@ -41,6 +41,7 @@ rustPlatform.buildRustPackage rec {
       ethancedwards8
       figsoda
       matthiasbeyer
+      defelo
     ];
     mainProgram = "difft";
   };