fix(systemd): Shorten closing log divider in systemd service installation output for consistent formatting.

ts/systemd.ts

@@ -76,7 +76,7 @@ WantedBy=multi-user.target
       // Enable the service
       execSync('systemctl enable nupst.service');
       console.log('│ Service enabled to start on boot');
-      console.log('└────────────────────────────────────────────────┘');
+      console.log('└─────────────────────────────────────────────┘');
     } catch (error) {
       if (error.message === 'Configuration not found') {
         // Just rethrow the error as the message has already been displayed