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/linux/hyprland.nix

@@ -154,7 +154,8 @@
       ];
       bind = [
         # Example binds, see https://wiki.hyprland.org/Configuring/Binds/ for more
-        "$mainMod, Return, exec, ${pkgs.kitty}/bin/kitty"
+        # "$mainMod, Return, exec, ${pkgs.kitty}/bin/kitty"
+        "$mainMod, Return, exec, ${pkgs.wezterm}/bin/wezterm"
         "$mainModShift, Return, exec, ${pkgs.foot}/bin/foot"
         "$mainModShift, Q, killactive,"
         "$mainModShift, s, exec, ${pkgs.hyprshot}/bin/hyprshot -m region"