feat(desktop): setup quickshell.

flake.lock

@@ -1985,6 +1985,26 @@
         "type": "github"
       }
     },
+    "quickshell": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1759610621,
+        "narHash": "sha256-P3UPFd95mS/3aNgy40nCXAmyfR2bEEBd+tX6xfkYFb0=",
+        "ref": "refs/heads/master",
+        "rev": "c5c438f1cd1a76660a8658ef929a3d19e968e2ce",
+        "revCount": 689,
+        "type": "git",
+        "url": "https://git.outfoxxed.me/outfoxxed/quickshell"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.outfoxxed.me/outfoxxed/quickshell"
+      }
+    },
     "root": {
       "inputs": {
         "aagl": "aagl",
@@ -2006,6 +2026,7 @@
         "nix-on-droid": "nix-on-droid",
         "nixpkgs": "nixpkgs_12",
         "nvf": "nvf",
+        "quickshell": "quickshell",
         "stylix": "stylix",
         "upfast": "upfast"
       }