home: Extract emacs related config to module

home/alex/programs/emacs/default.nix

@@ -0,0 +1,26 @@
+{ inputs, config, lib, pkgs, ... }:
+
+{
+  nixpkgs.overlays = [ inputs.emacs.overlay ];
+
+  home = {
+    sessionPath = [ "$HOME/.emacs.d/bin" ];
+    shellAliases = { e = "emacsclient -c $@"; };
+  };
+
+  programs.emacs = {
+    enable = true;
+    extraPackages = epkgs: with epkgs; [ vterm ];
+  };
+
+  services.emacs = {
+    enable = true;
+    defaultEditor = true;
+    startWithUserSession = true;
+  };
+
+  xdg.configFile.doom = {
+    target = "doom";
+    source = ./doom;
+  };
+}