Added an achievement system for BazaarForge users based on the builds they upload to the website.
- Each achievement has a Bronze, Silver, Gold, Diamond, and Legend levels.
- Account-wide achievements and hero-specific
- Achievements can be seen in dedicated Achievements page
- Added 'Achievement Points' indicator to My Builds page
Added a Tier List page for each hero that split items into tiers based on their % Builds metric for their respective hero.
- S Tier: ≥30%
- A Tier: 22-30%
- B Tier: 15-22%
- C Tier: 8-15%
- D Tier: 3-8%
- F Tier: <3%