Merge branch 'set-secret-detection-config-2' into 'main'

Configure Secret Detection in `.gitlab-ci.yml`, creating this file if it does not already exist

See merge request roland.schlaefli/thesis-platform!3

.gitlab-ci.yml

@@ -5,16 +5,11 @@
 # Container Scanning customization: https://docs.gitlab.com/ee/user/application_security/container_scanning/#customizing-the-container-scanning-settings
 # Note that environment variables can be set in several places
 # See https://docs.gitlab.com/ee/ci/variables/#cicd-variable-precedence
-
-# container_scanning:
-#   variables:
-#     DOCKER_IMAGE: ...
-#     DOCKER_USER: ...
-#     DOCKER_PASSWORD: ...
 stages:
 - test
 sast:
   stage: test
 include:
 - template: Security/SAST.gitlab-ci.yml
 - template: Security/Container-Scanning.gitlab-ci.yml
+- template: Security/Secret-Detection.gitlab-ci.yml