Add systemd timer

configuration.nix

@@ -89,6 +89,26 @@
       setSocketVariable = true;
     };
   };
+  
+  systemd = {
+    timers."start-runner" = {
+      wantedBy = [ "timers.target" ];
+        timerConfig = {
+          OnCalendar = "daily";
+          Persistent = true;
+          Unit = "start-runner.service";
+        };
+    };
+    services."start-runner" = {
+      script = ''
+        /root/runner/act_runner daemon &
+      '';
+      serviceConfig = {
+        Type = "oneshot";
+        User = "root";
+      };
+    };
+  };
 
   # leave installation default
   system.stateVersion = "24.05"; # Did you read the comment?