Code blocks should not be spaced 4 times, as this will
prevent the code from being colored. They should
also be spaced the same as the lists they are a part
of, to make reading easier.
Explain and recommend developers to use `/-/` scope for group and
project routes in Rails
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>