development settings, and renaming neovim to nixvim

home/modules/devtools/nixvim/plugins/neo-tree.nix

@@ -0,0 +1,35 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkIf;
+  cfg = config.modules.devtools.nixvim.plugins.neo-tree;
+in {
+  options = {
+    modules.devtools.nixvim.plugins.neo-tree.enable = mkEnableOption "Enables nix-tree plugin for nixvim";
+  };
+
+  config = mkIf cfg.enable {
+    programs.nixvim = {
+      plugins.neo-tree = {
+        enable = true;
+
+        closeIfLastWindow = true;
+        window = {
+          width = 30;
+          autoExpandWidth = true;
+        };
+      };
+
+      keymaps = [
+        {
+          mode = "n";
+          key = "<leader>n";
+          action = ":nixtree action=focus reveal toggle<CR>";
+          options.silent = true;
+        }
+      ];
+    };
+  };
+}