rofi: add pandoc to generate manpages (#388245)

Changed files
+2
pkgs
applications
misc
+2
pkgs/applications/misc/rofi/default.nix
···
check,
glib,
buildPackages,
+
pandoc,
}:
stdenv.mkDerivation rec {
···
pkg-config
flex
bison
+
pandoc
];
buildInputs = [
libxkbcommon