feat: add emacs configuration

prepares for nix-doom-emacs configuration

users/profiles/emacs/default.nix

@@ -0,0 +1,31 @@
+{ config, pkgs, ... }: {
+  # programs.doom-emacs = {
+  #   enable = true;
+  #   doomPrivateDir = ./doom;
+  # };
+
+  # services.emacs = {
+  #   enable = true;
+  #   package = config.programs.emacs.package;
+  # };
+
+  environment.systemPackages = with pkgs; [
+    emacs
+    ripgrep
+    coreutils
+    cmake
+    fd
+    fzf
+    clang
+    mu
+    isync
+    tetex
+    jq
+    gnumake
+    shellcheck
+    nodejs
+    nodePackages.prettier
+
+    (aspellWithDicts (dicts: with dicts; [ en en-computers en-science ]))
+  ];
+}