feat: Maven multimodule scaffolding for Ordinis MDM service

- 10 модулей (domain, validation, events-api, outbox, rest-api, app, read-api, projection-writer, cuod-bundle, migrations)
- Parent pom + BOM с Spring Boot 3.4.2, Spring Cloud 2024.0.0, Vault Config 4.2.0
- ordinis-app: Spring Boot main с Actuator/Prometheus/Logstash JSON encoder/OpenTelemetry/Cloud Config/Vault skeleton
- ordinis-migrations: Liquibase changelogs (dictionary_definitions/records, audit_log, outbox_events, idempotency_keys, EXCLUSION CONSTRAINT через btree_gist)
- Multi-stage Dockerfiles для app и migrations

ordinis-app/Dockerfile

@@ -0,0 +1,18 @@
+# Multi-stage build для ordinis-app
+FROM maven:3.9.9-eclipse-temurin-21 AS build
+WORKDIR /build
+COPY pom.xml ./
+COPY ordinis-domain ./ordinis-domain
+COPY ordinis-validation ./ordinis-validation
+COPY ordinis-events-api ./ordinis-events-api
+COPY ordinis-outbox ./ordinis-outbox
+COPY ordinis-rest-api ./ordinis-rest-api
+COPY ordinis-cuod-bundle ./ordinis-cuod-bundle
+COPY ordinis-app ./ordinis-app
+RUN mvn -B -pl ordinis-app -am package -DskipTests
+
+FROM eclipse-temurin:21-jre
+WORKDIR /app
+COPY --from=build /build/ordinis-app/target/*.jar /app/app.jar
+EXPOSE 8080
+ENTRYPOINT ["java", "-XX:+UseZGC", "-XX:MaxRAMPercentage=75", "-jar", "/app/app.jar"]