HOZHENWAI

Add support for transformers LayoutLMv2.

1

**Is your feature request related to a problem? Please describe.** On the current version of 2.7.0 of allennlp and versions 4.11.3 of transformers, layoutlmv2 is not supported : ``` Traceback...

I have to download a huge set of files from a sharepoint directory. The links looks something like this. https://tenant.sharepoint.com/personal/*****/_layouts/15/onedrive.aspx?originalPath=*****&id=****** . Now, I don't belong to the organisation. I tried...