fix: config file path

pkg/goproxy/DEBIAN/postinst

@@ -1,7 +1,8 @@
 #!/bin/bash
 
-test ! -f /usr/local/restproxy/conf/rest_proxy.conf && cp -rf /usr/local/restproxy/conf/default/* /usr/local/restproxy/conf
+test ! -f /usr/local/restproxy/etc/config.yaml && cp -rf /usr/local/restproxy/etc/default/* /usr/local/restproxy/etc
 
+systemctl daemon-reload
 systemctl enable restproxy
 
 exit 0