Add kbdharun to maintainer-list.nix

    githubId = 524492;

    name = "Sergey Kazenyuk";

  };

  kbdharun = {

    email = "kbdharun@gmail.com";

    matrix = "@kbdk:matrix.org";

    github = "kbdharun"

    githubID = 26346867;

    name = "K.B.Dharun Krishna";

  };    

  kcalvinalvin = {

    email = "calvin@kcalvinalvin.info";

    github = "kcalvinalvin";