feat: Updated ddcbacklight and use wezterm by default on linux as well

misc:

Forward agent to shiro
On ssh-ing to ryu have HYPRLAND_INSTANCE_SIGNATURE set from hyprland instances

home/programs/fish.nix

@@ -35,6 +35,9 @@
     interactiveShellInit = ''
       ${pkgs.pfetch-rs}/bin/pfetch
       ${lib.optionalString (device.isLinux && !device.isNix) "source /etc/profile.d/nix-daemon.fish"}
+      if not set -q HYPRLAND_INSTANCE_SIGNATURE
+         set -x HYPRLAND_INSTANCE_SIGNATURE (hyprctl instances | head -1 | cut -d ' ' -f2 | tr -d :)
+      end
     '';
   };
 }