cannot find module providing pac

设置 GOPROXY 后，go get 下载的第三方库找不到

console.go:4:8: cannot find module providing package \
github.com/c-bata/go-prompt: working directory is not part of a module

解决：

在项目根目录下执行命令

go mod init go-prompt
go mod edit -require github.com/c-bata/go-prompt@latest

Ref:

• Go 语言 cannot find module providing package github.com/