Add an FAQ about how to contribute to dependecies
Add an FAQ about how to contribute to dependecies

Also reorder the FAQs to group related questions.

Signed-off-by: Ibrahim AshShohail <0929382f76e6f6d0c4342bd278d0f4e62a972ca3@gmail.com>

ibrasho-forks/dep,ibrasho-forks/dep,golang/dep,golang/dep,golang/dep