Referral System

[sabbirrifat]

Create the referral system for goodhive

• [x] Referral Ui for client page and admin page
• [x] Referral functionalities
• [x] Show referral leaderboard in admin panel

[IT-Unchained-FR]

For talents

• [x] Add a message : "Earn a 5% bonus on the first year's commission from talents you refer." For companies
• [x] Add a message : "Earn a 20% bonus on the first year's commission from clients you refer and onboard."