feat: (incomplete) nix integration

flake.nix

@@ -0,0 +1,51 @@
+{
+  description = "My NeoVim config";
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+
+    neovim = {
+      url = "github:neovim/neovim/stable?dir=contrib";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    gen-luarc.url = "github:mrcjkb/nix-gen-luarc-json";
+
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+  outputs = { self, nixpkgs, neovim, flake-utils, gen-luarc, ... }@inputs:
+    let
+      supportedSystems = [
+        "x86_64-linux"
+        "aarch64-linux"
+      ];
+      neovim-overlay = import ./overlay.nix { inherit inputs; };
+    in
+    flake-utils.lib.eachSystem supportedSystems
+      (system:
+        let
+          pkgs = import nixpkgs {
+            inherit system;
+            overlays = [
+              neovim-overlay
+              gen-luarc.overlays.default
+            ];
+          };
+          shell = pkgs.mkShell {
+            name = "nvim-devShell";
+            builtInputs = with pkgs; [
+              lua-language-server
+              nil
+              stylua
+              luajitPackages.luacheck
+              deno
+            ];
+            shellHook = ''
+              ln -fs ${pkgs.nvim-luarc-json} .luarc.json
+            '';
+          };
+        in
+        {
+          packages = rec { default = nvim; nvim = pkgs.nvim-pkg; };
+          devShells = { default = shell; };
+        }) // { overlays.default = neovim-overlay; };
+}