chore(nix): Create a flake to be able to run nvim with this config anywhere

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1758035966,
+        "narHash": "sha256-qqIJ3yxPiB0ZQTT9//nFGQYn8X/PBoJbofA7hRKZnmE=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "8d4ddb19d03c65a36ad8d189d001dc32ffb0306b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,15 @@
+{
+  description = "My neovim configuration";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }: let
+    pkgs = import nixpkgs { system = "x86_64-linux"; };
+  in {
+    packages.x86_64-linux.default = pkgs.writeShellScriptBin "neovim-kalmenn" ''
+      ${pkgs.neovim}/bin/nvim -u ${let fs = pkgs.lib.fileset; in fs.toSource { root = ./.; fileset = fs.gitTracked ./.; }}/init.lua
+    '';
+  };
+}