feat(notion): 添加Notion数据库集成功能和相关脚本

添加Notion数据库集成配置和访问脚本，包括：
- 配置Notion MCP服务器设置
- 添加数据库查询、内容查看和添加功能
- 创建测试脚本和集成文档

view_database_content.py

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+"""
+Script to view content in your Notion database
+"""
+
+import requests
+import json
+
+class NotionDatabaseViewer:
+    def __init__(self, integration_token="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"):
+        self.integration_token = integration_token
+        self.headers = {
+            "Authorization": f"Bearer {integration_token}",
+            "Content-Type": "application/json",
+            "Notion-Version": "2022-06-28"
+        }
+        self.base_url = "https://api.notion.com/v1"
+    
+    def query_database(self, database_id):
+        """Query a specific database to get its content"""
+        url = f"{self.base_url}/databases/{database_id}/query"
+        response = requests.post(url, headers=self.headers, json={})
+        if response.status_code == 200:
+            return response.json()
+        else:
+            print(f"Error querying database: {response.status_code} - {response.text}")
+            return None
+
+def main():
+    # Initialize the viewer
+    viewer = NotionDatabaseViewer()
+    
+    # Use the database ID we found earlier
+    database_id = "2fbdaaa6-ba07-804a-b48a-ce9c0a107416"
+    
+    print("正在查询数据库内容...")
+    result = viewer.query_database(database_id)
+    
+    if result and 'results' in result:
+        pages = result['results']
+        print(f"在数据库中找到 {len(pages)} 个页面:\n")
+        
+        for page in pages:
+            page_id = page['id']
+            # Extract the title from the page properties
+            title_property = page['properties'].get('名称', {})
+            if title_property and 'title' in title_property:
+                title_parts = title_property['title']
+                page_title = ''.join([part.get('text', {}).get('content', '') for part in title_parts])
+            else:
+                page_title = "[无标题]"
+            
+            print(f"页面ID: {page_id}")
+            print(f"标题: {page_title}")
+            print("-" * 50)
+    else:
+        print("未能检索到数据库内容")
+
+if __name__ == "__main__":
+    main()