Auto merge of #4847 - Zorbash:binstubs-manpage, r=indirect
Auto merge of #4847 - Zorbash:binstubs-manpage, r=indirect

Add manpage for bundle-binstubs

This PR is intended to resolve https://github.com/bundler/bundler/issues/4000.

bundler/bundler,mvz/bundler,mvz/bundler,bundler/bundler,dilumnavanjana/bundler,dilumnavanjana/bundler