docs: 修复README文件名拼写错误(从reademe.md改为README.md)

docs: 添加项目README文档，包含MCP协议、AI工具化扩展和安全部署等特性说明

docs: 添加子注册中心相关文档和JWT认证支持

config

ci: fix OCI identifier to '{owner}/{repo}' for GHCR (separate registryBaseUrl)

ci: download schema before ajv validate to fix URL resolution on runners

build(ci): skip javadoc during Docker build to avoid javadoc failures

build: disable exec-maven-plugin validate-json (use CI ajv validation)

ci: add MCP publish workflow and server.json (OCI/GHCR) with schema validation

init