Add some more packages

lib/configuration.nix

@@ -188,6 +188,9 @@
           wl-clipboard
           xclip
           maliit-keyboard
+          gnome.dconf-editor
+          networkmanager-openconnect
+          networkmanager-openvpn
         ];
     };
 
@@ -201,6 +204,7 @@
             "CascadiaCode"
           ];
         })
+        cascadia-code
       ];
   };
 }