docs: API URL 정정

- 잘못된 API URL (api-dev.beavercompany.co.kr) 제거
- 실제 사용 중인 API URL (http://43.201.34.104:8080/api/v1)로 수정
- CLAUDE.md 문서 내 API 설정 정보 업데이트

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

CLAUDE.md

@@ -33,7 +33,7 @@ Backend:
   framework: Actix-Web
   database: PostgreSQL
   auth: JWT (24시간 만료)
-  api_url: https://api-dev.beavercompany.co.kr
+  api_url: http://43.201.34.104:8080/api/v1
   source_path: /Users/maximilian.j.sul/Documents/flutter/superport_api
 
 Infrastructure:
@@ -179,7 +179,7 @@ tail -f logs/api.log
 
 ### API Configuration
 ```
-Base URL: https://api-dev.beavercompany.co.kr
+Base URL: http://43.201.34.104:8080/api/v1
 Test Account: admin@superport.kr / admin123!
 API Source Code: /Users/maximilian.j.sul/Documents/flutter/superport_api
 ```