Enhance skill evaluation UI with category icons and URL state management

- Added category icons to the skill evaluation components for better visual representation.
- Implemented URL parameter handling in SkillEvaluation to maintain selected category state across navigation.
- Improved the HomePage layout with expandable skill categories and enhanced user interaction.
- Updated skill data files to include icon properties for each category.

components/evaluation/category-tabs.tsx

@@ -1,5 +1,6 @@
 import { ChevronRight } from "lucide-react";
 import { SkillCategory } from "@/lib/types";
+import { getCategoryIcon } from "@/lib/category-icons";
 
 interface CategoryTabsProps {
   categories: SkillCategory[];
@@ -16,12 +17,13 @@ export function CategoryTabs({
     <div className="flex flex-wrap gap-2 mb-8">
       {categories.map((category) => {
         const isActive = selectedCategory === category.category;
+        const CategoryIcon = getCategoryIcon(category.icon);
         return (
           <button
             key={category.category}
             onClick={() => onCategoryChange(category.category)}
             className={`
-              relative px-6 py-3 rounded-xl font-medium transition-all duration-300 group
+              relative px-6 py-3 rounded-xl font-medium transition-all duration-300 group flex items-center gap-2
               ${
                 isActive
                   ? "bg-blue-500 text-white shadow-lg shadow-blue-500/25"
@@ -29,6 +31,7 @@ export function CategoryTabs({
               }
             `}
           >
+            <CategoryIcon className="w-4 h-4 relative z-10" />
             <span className="relative z-10">{category.category}</span>
             {isActive && (
               <div className="absolute inset-0 rounded-xl bg-gradient-to-r from-blue-600/20 to-blue-400/20 animate-pulse" />