added mvn artifact ci automation

.gitlab-ci.yml

+stages:
+  - deploy
+
+deploy:
+  stage: deploy
+  image: maven:3.9.5-ibm-semeru-17-focal
+  script:
+    - mvn deploy -s ci_settings.xml -DskipTests

ci_settings.xml

+<settings xmlns="http://maven.apache.org/SETTINGS/1.1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.1.0 http://maven.apache.org/xsd/settings-1.1.0.xsd">
+  <servers>
+    <server>
+      <id>gitlab-maven</id>
+      <configuration>
+        <httpHeaders>
+          <property>
+            <name>Job-Token</name>
+            <value>${CI_JOB_TOKEN}</value>
+          </property>
+        </httpHeaders>
+      </configuration>
+    </server>
+  </servers>
+</settings>

pom.xml

@@ -23,6 +23,23 @@
 		<flowable.version>${flowable-version}</flowable.version>
 	</properties>
 
+	<repositories>
+		<repository>
+			<id>gitlab-maven</id>
+			<url>https://labs.etsi.org/rep/api/v4/groups/260/-/packages/maven</url>
+		</repository>
+	</repositories>
+	<distributionManagement>
+		<repository>
+			<id>gitlab-maven</id>
+			<url>${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/maven</url>
+		</repository>
+		<snapshotRepository>
+			<id>gitlab-maven</id>
+			<url>${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/maven</url>
+		</snapshotRepository>
+	</distributionManagement>
+	
 	<dependencyManagement>
 		<dependencies>
 			<!-- Spring Boot BOM -->