✨ add darawin flakes

flake.lock

@@ -1,5 +1,26 @@
 {
   "nodes": {
+    "darwin": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1651916036,
+        "narHash": "sha256-UuD9keUGm4IuVEV6wdSYbuRm7CwfXE63hVkzKDjVsh4=",
+        "owner": "lnl7",
+        "repo": "nix-darwin",
+        "rev": "2f2bdf658d2b79bada78dc914af99c53cad37cba",
+        "type": "github"
+      },
+      "original": {
+        "owner": "lnl7",
+        "ref": "master",
+        "repo": "nix-darwin",
+        "type": "github"
+      }
+    },
     "deploy-rs": {
       "inputs": {
         "flake-compat": "flake-compat",
@@ -181,6 +202,7 @@
     },
     "root": {
       "inputs": {
+        "darwin": "darwin",
         "deploy-rs": "deploy-rs",
         "dotfiles": "dotfiles",
         "flake-compat": "flake-compat_2",