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

notion_database_access.py

@@ -0,0 +1,95 @@
+"""
+Notion Database Access Script
+This script demonstrates how to connect to and access your Notion database
+using the Notion API with the configuration you have set up.
+"""
+
+import requests
+import json
+
+class NotionDatabaseAccess:
+    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 list_databases(self):
+        """List all databases accessible with the integration token"""
+        url = f"{self.base_url}/search"
+        payload = {
+            "filter": {
+                "property": "object",
+                "value": "database"
+            }
+        }
+        
+        response = requests.post(url, headers=self.headers, json=payload)
+        if response.status_code == 200:
+            return response.json()
+        else:
+            print(f"Error: {response.status_code} - {response.text}")
+            return None
+    
+    def query_database(self, database_id):
+        """Query a specific database by ID"""
+        url = f"{self.base_url}/databases/{database_id}/query"
+        response = requests.post(url, headers=self.headers)
+        if response.status_code == 200:
+            return response.json()
+        else:
+            print(f"Error querying database: {response.status_code} - {response.text}")
+            return None
+    
+    def get_database_info(self, database_id):
+        """Get information about a specific database"""
+        url = f"{self.base_url}/databases/{database_id}"
+        response = requests.get(url, headers=self.headers)
+        if response.status_code == 200:
+            return response.json()
+        else:
+            print(f"Error getting database info: {response.status_code} - {response.text}")
+            return None
+
+def main():
+    # Initialize the Notion database access
+    notion = NotionDatabaseAccess()
+    
+    print("Connecting to your Notion account...")
+    print("Searching for accessible databases...")
+    
+    # List all databases
+    databases_result = notion.list_databases()
+    
+    if databases_result and 'results' in databases_result:
+        databases = databases_result['results']
+        
+        if databases:
+            print(f"\nFound {len(databases)} database(s):\n")
+            
+            for db in databases:
+                db_id = db['id']
+                db_title = ''.join([title.get('plain_text', '') for title in db.get('title', [])])
+                
+                print(f"Database ID: {db_id}")
+                print(f"Title: {db_title}")
+                print("-" * 50)
+                
+                # Get detailed info about each database
+                db_info = notion.get_database_info(db_id)
+                if db_info:
+                    print(f"Description: {''.join([desc.get('plain_text', '') for desc in db_info.get('description', [])])}")
+                    print(f"Properties:")
+                    for prop_name, prop_info in db_info.get('properties', {}).items():
+                        print(f"  - {prop_name}: {prop_info.get('type', 'unknown')}")
+                    print()
+        else:
+            print("No databases found. Make sure your integration is properly connected to your Notion pages.")
+    else:
+        print("Failed to retrieve databases. Check your integration token and permissions.")
+
+if __name__ == "__main__":
+    main()