Implemented Ranks

Ranks are something decided by the amount you have in your Vest.
Every user is given peridoto rank for free.
e.g if you just sign up .. you are awarded with this rank. which's value is 250Berycoins.

This rank allows you to earn 10 Berycoins from each article you post,
and 100 Berycoins from each project you complete.

This ranks has a limit of 1 article per day, and 1 project per month.