feat(free-router): run freellmapi under bun on localhost:9876 as a user service

dot_config/systemd/user/free-router.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=freellmapi router on localhost (free-router)
+Documentation=https://github.com/tashfeenahmed/freellmapi
+
+[Service]
+EnvironmentFile=%h/.config/free-router/env
+ExecStart=%h/.local/bin/free-router
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=default.target