Use kanagawa theme in vim

flake.lock

@@ -74,9 +74,7 @@
     "neovim-flake": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
+        "nixpkgs": "nixpkgs"
       },
       "locked": {
         "dir": "contrib",
@@ -98,7 +96,7 @@
       "inputs": {
         "flake-compat": "flake-compat",
         "neovim-flake": "neovim-flake",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs_2"
       },
       "locked": {
         "lastModified": 1640160877,
@@ -131,6 +129,22 @@
       }
     },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1640139330,
+        "narHash": "sha256-Nkp3wUOGwtoQ7EH28RLVJ7EqB/e0TU7VcsM7GLy+SdY=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "81cef6b70fb5d5cdba5a0fef3f714c2dadaf0d6d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1640053112,
         "narHash": "sha256-7C0UQssCdAMyCNSv8szLJfZ5xYMBr9mh27zYUmo8wHQ=",
@@ -146,7 +160,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_2": {
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1640139330,
         "narHash": "sha256-Nkp3wUOGwtoQ7EH28RLVJ7EqB/e0TU7VcsM7GLy+SdY=",
@@ -168,7 +182,7 @@
         "home-manager": "home-manager",
         "neovim-nightly-overlay": "neovim-nightly-overlay",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs_3"
       }
     }
   },