init: 初始化 VitePress 官网项目

docs/knowledge/index.json

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+[
+  {
+    "id": "sample-article",
+    "title": "2026年天津高职升本科考试报名热点问答发布",
+    "summary": "最新报名政策详解：应届生、往届生报考条件，报名时间节点，平行志愿填报策略等重要信息。",
+    "category": "exam_policy",
+    "tags": ["天津专升本", "考试政策"],
+    "coverImage": "https://fenxiang-1304851894.cos.ap-nanjing.myqcloud.com/%E5%B0%81%E9%9D%A2.png",
+    "author": "恭学教育",
+    "publishedAt": "2026-01-15",
+    "viewCount": 1256,
+    "isTop": true
+  },
+  {
+    "id": "study-time-plan",
+    "title": "天津专升本高效复习时间规划",
+    "summary": "科学安排备考时间，从基础巩固到冲刺提分，帮助考生制定清晰的专升本复习计划。",
+    "category": "study_method",
+    "tags": ["天津专升本", "学习方法", "备考规划"],
+    "coverImage": "https://fenxiang-1304851894.cos.ap-nanjing.myqcloud.com/%E5%B0%81%E9%9D%A2.png",
+    "author": "恭学教育",
+    "publishedAt": "2026-06-15",
+    "viewCount": 0,
+    "isTop": false
+  }
+]