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/skill-evaluation-grid.tsx

@@ -37,7 +37,7 @@ export function SkillEvaluationGrid({
         </div>
       </div>
 
-      <div className="space-y-2">
+      <div className="space-y-3">
         {currentEvaluation.selectedSkillIds.map((skillId) => {
           const skill = currentCategory.skills.find((s) => s.id === skillId);
           if (!skill) return null;