Initial commit: WBX Spring Framework Core

Spring Boot 3.5.0 + Java 21 기반 엔터프라이즈 프레임워크
- Auth: JWT, MFA/TOTP, OAuth2 SSO, PasswordPolicy, LoginHistory
- RBAC: Role-Permission, DeptScope, Redis 캐시
- Approval: Handler 패턴 결재 엔진
- Notification: SSE 실시간 알림
- File: Local/Azure Blob/AWS S3/GCP Storage
- DataSource: Multi-DB 라우팅 (MySQL/PG/Oracle/MSSQL)
- Admin: Thymeleaf 11화면 콘솔
- Compat: WBX FastAPI 호환 (에러/페이징)
- Flyway: 4종 DBMS 마이그레이션
- Scripts: install.bat/sh, deploy-prod.sh
- Docs: 설치가이드(OnPremise/Cloud), 개발자가이드 PDF

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,19 @@
+FROM eclipse-temurin:21-jre-alpine
+
+WORKDIR /app
+
+ENV TZ=Asia/Seoul
+RUN apk add --no-cache tzdata
+
+COPY build/libs/wbx-spring-core-*.jar app.jar
+
+EXPOSE 8080
+
+HEALTHCHECK --interval=30s --timeout=3s \
+  CMD wget -q --spider http://localhost:8080/health || exit 1
+
+ENTRYPOINT ["java", \
+  "-XX:+UseG1GC", \
+  "-XX:MaxRAMPercentage=75.0", \
+  "-Djava.security.egd=file:/dev/./urandom", \
+  "-jar", "app.jar"]