feat: add lidswitch and some modules

users/myuser/dev/default.nix

@@ -0,0 +1,39 @@
+{
+  lib,
+  pkgs,
+  ...
+}: {
+  home = {
+    extraOutputsToInstall = ["doc" "devdoc"];
+    file.gdbinit = {
+      target = ".gdbinit";
+      text = ''
+        set auto-load safe-path /
+      '';
+    };
+    packages = with pkgs; [
+      git-lfs
+      nix-update
+      nixpkgs-review
+    ];
+  };
+
+  programs = {
+    direnv = {
+      enable = true;
+      nix-direnv.enable = true;
+      stdlib = ''
+        : ''${XDG_CACHE_HOME:=$HOME/.cache}
+        declare -A direnv_layout_dirs
+        direnv_layout_dir() {
+            echo "''${direnv_layout_dirs[$PWD]:=$(
+                echo -n "$XDG_CACHE_HOME"/direnv/layouts/
+                echo -n "$PWD" | shasum | cut -d ' ' -f 1
+            )}"
+        }
+      '';
+    };
+
+    nix-index.enable = true;
+  };
+}