Auto merge of #5689 - tejasbubane:bundle-add-command-main-man, r=segiddins
Auto merge of #5689 - tejasbubane:bundle-add-command-main-man, r=segiddins

Add `bundle add` command to the main man page

This command added in `v1.15` was not present in the main man page.

(cherry picked from commit 3fea088b78ba31607f34e3bc62f26041c8c5fe92)

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