R：如何在R工作区图像中添加文档

I have saved my workspace as R data with required variables to be shared with my colleagues. I was wondering if there is a way to add documentation or additional information such as basic variable descriptions, data author etc. with Rdata. I can add additional information to dataframes by adding attributes by using attr(). I was wondering if there is a more elegant way of doing this for the entire R workspace. I have saved my workspace as R data with requir