* rename proto proxy_service to proxy
Signed-off-by: yudong.cai <yudong.cai@zilliz.com>
* rename proto index_service to index_coord
Signed-off-by: yudong.cai <yudong.cai@zilliz.com>
* rename proto master to root_coord
Signed-off-by: yudong.cai <yudong.cai@zilliz.com>