feat: Add gitlab-ci pipeline

.gitlab-ci.yml

@@ -0,0 +1,31 @@
+variables:
+  GIT_DEPTH: "0"  # Tells git to fetch all the branches of the project, required by the analysis task
+  MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository"
+
+image: maven:3.8.4-jdk-11
+
+stages:
+  - build
+  - test
+
+cache:
+  key: "${CI_JOB_NAME}"
+  paths:
+    - .m2/repository/
+    - target/
+
+build:
+  stage: build
+  script:
+    - mvn clean compile
+
+test:
+  stage: test
+  script:
+    - mvn verify -Pall-tests
+  artifacts:
+    when: always
+    reports:
+      junit:
+        - target/surefire-reports/TEST-*.xml
+        - target/failsafe-reports/TEST-*.xml