feat(portfolio): replace skills section with about section and skills marquee

- Remove old skills data and components
- Add new about section with personal introduction and stats
- Implement animated skills marquee component
- Update navigation to reflect new section structure

src/i18n/ui.ts

@@ -9,11 +9,8 @@ export const defaultLang = 'en';
 export const ui = {
   en: {
     'nav.home': 'Home',
+    'nav.about': 'About Me', 
     'nav.projects': 'Projects',
-    'nav.experience': 'Experience',
-    'nav.skills': 'Skills',
-    'nav.awards': 'Awards',
-    'nav.education': 'Education',
     'footer.rights': 'All rights reserved.',
     'site.title': 'My Portfolio',
     'page.home.title': 'Home',
@@ -40,6 +37,20 @@ export const ui = {
     // Skills Section
     'skills.title': 'Skills',
 
+    // About Section
+    'about.title': 'About Me',
+    'about.description.paragraph1': 'I\'m a passionate developer with 5+ years of experience building web applications and contributing to open source projects. I specialize in creating clean, efficient, and maintainable code.',
+    'about.description.paragraph2': 'When I\'m not coding, you can find me exploring new technologies, writing tech articles, or enjoying a fresh cup of coffee while debugging complex problems.',
+    'about.description.paragraph3': 'I believe in continuous learning and staying up-to-date with the latest industry trends and best practices.',
+    'about.stats.repositories': 'Repositories',
+    'about.stats.commits': 'Commits',
+    'about.stats.prsmerged': 'PRs Merged',
+    'about.toolbox.title': 'My Toolbox',
+    'about.toolbox.frontend': 'Frontend',
+    'about.toolbox.backend': 'Backend',
+    'about.toolbox.devops': 'DevOps',
+    'about.toolbox.mobile': 'Mobile',
+
     // Projects Section
     'projects.title': 'Latest Projects',
     'projects.viewOnGithub': 'View on GitHub',
@@ -168,10 +179,7 @@ export const ui = {
   zh: {
     'nav.home': '首页',
     'nav.projects': '项目经历',
-    'nav.experience': '工作经历',
-    'nav.skills': '专业技能',
-    'nav.awards': '奖项荣誉',
-    'nav.education': '教育背景',
+    'nav.about': '关于我',
     'footer.rights': '版权所有。',
     'site.title': '我的作品集',
     'page.home.title': '首页',
@@ -198,6 +206,20 @@ export const ui = {
     // Skills Section
     'skills.title': '专业技能',
 
+    // About Section
+    'about.title': '关于我',
+    'about.description.paragraph1': '我是一名充满热情的开发者，拥有5年以上构建Web应用程序和参与开源项目的经验。我专注于创建简洁、高效且易于维护的代码。',
+    'about.description.paragraph2': '当我不在编程时，你可以发现我在探索新技术、撰写技术文章，或者在调试复杂问题时享受一杯新鲜的咖啡。',
+    'about.description.paragraph3': '我相信持续学习，并与最新的行业趋势和最佳实践保持同步。',
+    'about.stats.repositories': '代码仓库',
+    'about.stats.commits': '提交次数',
+    'about.stats.prsmerged': '合并请求',
+    'about.toolbox.title': '我的工具箱',
+    'about.toolbox.frontend': '前端',
+    'about.toolbox.backend': '后端',
+    'about.toolbox.devops': 'DevOps',
+    'about.toolbox.mobile': '移动端',
+
     // Projects Section
     'projects.title': '最新项目',
     'projects.viewOnGithub': '在 GitHub 上查看',