将文件添加到单击一次部署

I've got an application that I'm moving over to ClickOnce and the app has a moderately sized data folder with hundreds of files that I need to inlcude in the deployment. The folder needs to be in the same place relative to the EXE after deployment. I've seen several suggestions on how to do this but there doesn't seem to be a agreed upon method for doing this.I've got an application that I'm moving over to