programs/pcmanfm: add daemon service

modules/programs/pcmanfm.nix

@@ -11,11 +11,25 @@ in {
     hjem.users.${username} = {
       packages = with pkgs; [
         lxmenu-data
-        pcmanfm
+        pcmanfm # builds with gtk3 by default, no need to override
         shared-mime-info
       ];
     };
 
-    services.gvfs.enable = true; # Mount, trash, and other functionalities
+    services.gvfs.enable = true; # mount, trash, and other functionalities
+
+    systemd.user.services.pcmanfm = {
+      description = "PCManFM daemon";
+      documentation = ["https://github.com/lxde/pcmanfm"];
+      after = ["graphical-session.target"];
+      partOf = ["graphical-session.target"];
+      wantedBy = ["graphical-session.target"];
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = "${pkgs.pcmanfm}/bin/pcmanfm --daemon-mode";
+        Restart = "on-failure";
+        Slice = "background-graphical.slice";
+      };
+    };
   };
 }