feat(support): 添加分类筛选的功能

- 为常见问题&文档资料页面添加分类筛选功能
- 调整markdown中的表格渲染样式

app/components/QuestionList.vue

@@ -2,10 +2,10 @@
   <div class="question-list">
     <el-collapse class="question-collapse" accordion>
       <el-collapse-item
-        v-for="(question, index) in questions"
-        :key="index"
+        v-for="question in questions"
+        :key="question.documentId"
         :title="question.title"
-        :name="String(index)"
+        :name="question.documentId"
       >
         <markdown-renderer :content="question.content || ''" />
       </el-collapse-item>
@@ -16,7 +16,11 @@
 <script setup lang="ts">
   defineProps({
     questions: {
-      type: Array as () => Array<{ title: string; content: string }>,
+      type: Array as () => Array<{
+        title: string;
+        content: string;
+        documentId: string;
+      }>,
       default: () => [],
     },
   });