我在 golang 中使用第三方包，我想將它們添加到我的 git 存儲庫中，當我鍵入命令時，git add .出現以下錯誤warning: adding embedded git repository: github.com/beorn7/perkshint: You've added another git repository inside your current repository.hint: Clones of the outer repository will not contain the contents ofhint: the embedded repository and will not know how to obtain it.hint: If you meant to add a submodule, use:hint: hint:   git submodule add <url> github.com/beorn7/perkshint: hint: If you added this path by mistake, you can remove it from thehint: index with:hint: hint:   git rm --cached github.com/beorn7/perkshint: 如何確保我正確地控制包的版本以及我是否以正確的方式控制第三方包的版本？這是我的項目結構Project/|src/  |   github.com/      |      packages/我的 GOPATH 也指向項目目錄