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-domain/pom.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>cloud.nstart.terravault.ordinis</groupId>
+    <artifactId>ordinis-parent</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>ordinis-domain</artifactId>
+  <name>Ordinis :: Domain</name>
+  <description>JPA entities, JSONB types, базовый bitemporal model.</description>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-data-jpa</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.hypersistence</groupId>
+      <artifactId>hypersistence-utils-hibernate-63</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.hibernate.orm</groupId>
+      <artifactId>hibernate-envers</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>net.postgis</groupId>
+      <artifactId>postgis-jdbc</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.postgresql</groupId>
+      <artifactId>postgresql</artifactId>
+      <scope>runtime</scope>
+    </dependency>
+  </dependencies>
+</project>