Enable RetroArch on Steam Deck

common/users.nix

@@ -1,6 +1,7 @@
 { config, pkgs, ... }:
 
 let
+  home = config.constants.homeDir;
   usr = config.constants.userName;
   usrPwdFile = "users/${usr}/password";
 in
@@ -89,6 +90,15 @@ in
       };
     };
     resolved.enable = true;
+    syncthing = {
+      configDir = "${home}/.config/syncthing";
+      dataDir = "${home}/.local/share/syncthing";
+      openDefaultPorts = true;
+      overrideDevices = true;
+      overrideFolders = true;
+      settings.devices = config.constants.syncthingDevices;
+      user = usr;
+    };
   };
 
   sops.secrets.${usrPwdFile}.neededForUsers = true;