home: move emacs service to home config

home/default.nix

@@ -1,6 +1,7 @@
 { ... }:
 {
   imports = [
+    ./emacs.nix
     ./x
   ];
 

home/emacs.nix

@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+{
+  options.my.home.emacs = with lib; {
+    enable = mkEnableOption "Emacs daemon configuration";
+  };
+
+  config = lib.mkIf config.my.home.emacs.enable {
+    services.emacs = {
+      enable = true;
+      # generate emacsclient desktop file
+      client.enable = true;
+    };
+
+    programs.emacs = {
+      enable = true;
+      package = pkgs.emacsPgtkGcc;
+    };
+  };
+}

hosts/boreal/default.nix

@@ -71,11 +71,6 @@ in
       layout = "fr";
       xkbVariant = "us";
     };
-
-    emacs = {
-      enable = true;
-      package = pkgs.emacsPgtkGcc;
-    };
   };
 
   sound.enable = true;

hosts/boreal/home.nix

@@ -3,5 +3,6 @@
   home-manager.users.alarsyo = {
     # Keyboard settings & i3 settings
     my.home.x.enable = true;
+    my.home.emacs.enable = true;
   };
 }