docs/man/git-lfs-config.5: add a note about URL config lookup
docs/man/git-lfs-config.5: add a note about URL config lookup

andyneff/git-lfs,aleb/git-lfs,github/git-lfs,dakotahawkins/git-lfs,github/git-lfs,andyneff/git-lfs,andyneff/git-lfs,github/git-lfs,Jericho25/-git-lfs_miilkyway,Jericho25/-git-lfs_miilkyway,aleb/git-lfs,aleb/git-lfs,dakotahawkins/git-lfs,Jericho25/-git-lfs_miilkyway,dakotahawkins/git-lfs