feat: add wallpaper feature with 5 new wallpapers

- Add wallpapers.nix module for wallpaper management
- Update hyprland and rofi configs
- Update m3-ares and m3-kratos user configs
- Update flake inputs

flake.nix

@@ -45,8 +45,8 @@
     nix-colors.url = "github:misterio77/nix-colors";
 
     agents = {
-      # url = "path:/home/m3tam3re/p/MISC/AGENTS";
-      url = "git+https://code.m3ta.dev/m3tam3re/AGENTS";
+      url = "path:/home/m3tam3re/p/MISC/AGENTS";
+      # url = "git+https://code.m3ta.dev/m3tam3re/AGENTS";
       flake = false;
     };
   };