Refactor to flake-parts

flake.lock

@@ -83,10 +83,7 @@
     },
     "flake-parts": {
       "inputs": {
-        "nixpkgs-lib": [
-          "nixvim",
-          "nixpkgs"
-        ]
+        "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
         "lastModified": 1751413152,
@@ -263,6 +260,21 @@
         "type": "github"
       }
     },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1751159883,
+        "narHash": "sha256-urW/Ylk9FIfvXfliA1ywh75yszAbiTEVgpPeinFyVZo=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "14a40a1d7fb9afa4739275ac642ed7301a9ba1ab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
     "nixpkgs-stable": {
       "locked": {
         "lastModified": 1751274312,
@@ -297,7 +309,9 @@
     },
     "nixvim": {
       "inputs": {
-        "flake-parts": "flake-parts",
+        "flake-parts": [
+          "flake-parts"
+        ],
         "nixpkgs": [
           "nixpkgs"
         ],
@@ -366,6 +380,7 @@
       "inputs": {
         "agenix": "agenix",
         "disko": "disko",
+        "flake-parts": "flake-parts",
         "home-manager": "home-manager_2",
         "nixos-hardware": "nixos-hardware",
         "nixos-wsl": "nixos-wsl",