Add Logisim Evolution support

- Include logisim‑evolution in the core packages list.
- Add `logisim-evolution.enable` option to system modules (enabled on
  desktop).
- Bind `SUPER SHIFT F` to toggle floating windows.
- Add tiling rule for Logisim windows.
- Update `upf` alias to specify the flake path.
- Refresh flake.lock revisions for firefox‑addons and wrappers.

modules/core/packages/packages.nix

@@ -49,6 +49,7 @@
     adb = android-tools;
     teams = teams-for-linux;
     ferdium = ferdium;
+    logisim-evolution = logisim-evolution;
   };
 in {
   imports = builtins.attrValues (builtins.mapAttrs mkPackage packages);