feat: add linter to flake and format

1 files changed, 36 insertions, 1 deletions

diff --git a/flake.lock b/flake.lock
index 2bdaf91..84f562e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -64,11 +64,46 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1747958103,
+        "narHash": "sha256-qmmFCrfBwSHoWw7cVK4Aj+fns+c54EBP8cGqp/yK410=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "fe51d34885f7b5e3e7b59572796e1bcb427eccb1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-parts": "flake-parts",
         "haskell-flake": "haskell-flake",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "treefmt-nix": "treefmt-nix"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1749194973,
+        "narHash": "sha256-eEy8cuS0mZ2j/r/FE0/LYBSBcIs/MKOIVakwHVuqTfk=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "a05be418a1af1198ca0f63facb13c985db4cb3c5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
       }
     }
   },