csv manager read posts
return all post from csv
allow to create new posts
require id
set id to the posts
assign id to the post after create
assigns id on create
return id on all
small refactor on assign id and return all method
fix small refactor
implementation find (failing)
fix test
search post with id
return nil when find don't know what to return failing
return nil when find don't know what to return passing
delete post failing