Replaced the previous car catalog application with a new tier list maker. This implementation adds tier management, drag-and-drop functionality, and customization for items and tiers. Updated HTML structure, added new JavaScript modules, and introduced a dark-themed CSS style.

fix readme.md

See merge request !2

Changed the car card rendering process from directly appending to innerHTML to using a string variable for concatenation. This change provides performance benefits by limiting direct DOM manipulation. Additionally, a new "category" field has been added to the car card.

Optimize car card rendering process on index.js

See merge request !1

Changed the car card rendering process from directly appending to innerHTML to using a string variable for concatenation. This change provides performance benefits by limiting direct DOM manipulation. Additionally, a new "category" field has been added to the car card.