feat(exx-Pipeline): add gradle template

pipelines/java-gradle.gitlab-ci.yml

@@ -0,0 +1,32 @@
+include:
+    - '/templates/java/gradle/gradle-build.gitlab-ci.yml'
+    - '/templates/java/gradle/gradle-test.gitlab-ci.yml'
+    - '/templates/java/gradle/gradle-database-diff.gitlab-ci.yml'
+    - '/templates/static-analysis/repo-cve-scan-trivy.gitlab-ci.yml'
+    - '/templates/static-analysis/sonar.gitlab-ci.yml'
+
+Build-Java:
+  extends: .gradle-build
+
+Test-Java:
+  extends: .gradle-test
+  needs:
+    - job: "Build-Java"
+      artifacts: true
+
+Database-Diff:
+  extends:
+    - .gradle-database-diff
+  needs:
+    - job: "Build-Java"
+      artifacts: true
+
+Repo-CVE-Scan:
+  allow_failure: true
+  extends: .repo-cve-scan-trivy
+
+sonar:
+  extends: .sonar-gradle
+  needs:
+    - job: "Build-Java"
+      artifacts: true