Add support to exclude specified folders to MR
Description
We use GitLab to host our Go repos, some times when we open a MR, there're lots of third-party files in the vendor
folder appeared, making the review work much more difficult to proceed.
Proposal
Files in Go's vendor folder
doesn't need to be reviewed, so if GitLab can add an exclusion to it or better allow users to config exclude pattern, I'll be very appreciated.