feat(blog): 添加博客目录功能并更新logo格式

为博客和关于页面添加可交互的目录组件，方便用户导航
将网站logo从svg格式统一改为png格式
移除generateStaticParams函数以简化构建流程
新增getBlogDetail.ts用于获取博客详情数据

lib/getBlogDetail.ts

@@ -0,0 +1,23 @@
+import { BlogPost } from '@/types/blog';
+
+export async function getPostDetail(articleId: string): Promise<BlogPost> {
+  let url = 'http://49.232.154.205:18081/export/article/' + articleId
+
+  const response = await fetch(url);
+  const json = await response.json();
+  const data = json.data;
+  const post = {
+    locale: data.langCode,
+    title: data.title,
+    description: data.summary,
+    image: data.cover || '',
+    slug: data.articleId,
+    tags: '',
+    date: data.publishedTime,
+    // visible: data.visible || 'published',
+    pin: false,
+    content: data.content,
+    metadata: data,
+  }
+  return post;
+}