feat: add Gitlab pipelines snippet

analyzers/cfn-lint/CI/gitlab-ci.yaml

@@ -0,0 +1,14 @@
+stages:
+  - scan
+
+scan:
+  stage: scan
+  image: python:latest  # Using Python image because cfn-lint is a Python package
+  before_script:
+    - pip install cfn-lint  # Install cfn-lint
+  script:
+    - cfn-lint -t ./**/*.yaml -f sarif > cfn-lint.sarif || true  # Run cfn-lint and generate SARIF report
+    - curl -sSL https://deepsource.io/cli | sh  # Install DeepSource CLI
+    - ./bin/deepsource report --analyzer cfn-lint --analyzer-type community --value-file ./cfn-lint.sarif  # Upload SARIF report to DeepSource
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "push"