Add alias for emacs.

nix/configuration/roles/emacs/default.nix

@@ -1,4 +1,9 @@
-{ config, lib, pkgs, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 
 let
   plainmacs = pkgs.writeShellScriptBin "plainmacs" ''
@@ -31,18 +36,25 @@ EOF
 
     exec ${pkgs.emacs29-pgtk}/bin/emacs -q --eval "$INIT_SCRIPT" "''${@}"
   '';
+  e_shorthand = pkgs.writeShellScriptBin "e" ''
+    exec ${pkgs.emacs29-pgtk}/bin/emacs "''${@}"
+  '';
 in
 {
   imports = [ ];
 
   environment.systemPackages = with pkgs; [
     plainmacs
+    e_shorthand
     emacs29-pgtk
     clang # To compile tree-sitter grammars
     nixd # nix language server
+    nixfmt-rfc-style # auto-formatting nix files through nixd
   ];
 
-  home-manager.users.talexander = { pkgs, ... }: {
+  home-manager.users.talexander =
+    { pkgs, ... }:
+    {
       home.file.".config/emacs" = {
         source = ./files/emacs;
         recursive = true;