Initial commit: OAuth 2.0 인증 시스템 with APISIX API Gateway

- FastAPI 백엔드 + MongoDB + Redis 구성
- React + Vite + TypeScript + shadcn/ui 프론트엔드
- Apache APISIX API Gateway 통합
- Docker Compose 기반 개발 환경
- 3단계 권한 체계 (System Admin, Group Admin, User)
- 동적 테마 지원
- 환경별 설정 (dev/vei/prod)

🤖 Generated with Claude Code

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

oauth/configs/vei/.env

@@ -0,0 +1,9 @@
+ENVIRONMENT=vei
+SECRET_KEY=${VEI_SECRET_KEY}
+MONGODB_URL=mongodb://mongodb:27017
+DATABASE_NAME=oauth_db_vei
+REDIS_URL=redis://redis:6379
+BACKUP_PATH=/var/backups/oauth/vei
+ARCHIVE_PATH=/var/archives/oauth/vei
+FRONTEND_URL=https://vei-oauth.example.com
+BACKEND_URL=https://vei-oauth-api.example.com