Add zulip and slack

modules/darwin/creative.nix

@@ -2,6 +2,14 @@
 let np = config.nathan.programs;
 in with lib; {
   # Install media applications
-  config =
-    mkIf np.creative.enable { homebrew.casks = [{ name = "inkscape"; }]; };
+  config = mkIf np.creative.enable {
+    homebrew.casks = [
+      # Inkscape
+      {
+        name = "inkscape";
+      }
+      # 3dprinting
+      { name = "ultimaker-cura"; }
+    ];
+  };
 }

modules/darwin/default.nix

@@ -112,6 +112,8 @@ in {
           { name = "orangedrangon-android-messages"; }
           { name = "messenger"; }
           { name = "whalebird"; }
+          { name = "slack"; }
+          { name = "zulip"; }
         ])
         # Unconditionally install core utilites
         [