add cyberchef and correct things in nixos containers

hosts/desktop1/configuration.nix

@@ -20,6 +20,21 @@
     hyprland.enable = true;
     kde.enable = true;
     docker.enable = true;
+    containers = { 
+      nixos = {
+      };
+      docker = {
+        cyberchef = {
+          enable = true;
+          port = 6900;
+        };
+      };
+      networking = {
+        bridge = "br0";
+        dns = [ "192.168.1.202" ];
+        gateway = "192.168.1.254";
+      };
+    };
   };
 
   home-manager = {