Add various tools, directory stucture and update README

* Add directory structure and stub files for auditjs (node)
* Add directory structure and stub files for npm-audit (node)
* Add directory structure and stub files for npm-outdated (node)
* Add directory structure and stub files for njsscan (node)
* Add directory structure and stub files for semgrep (multi)
* Add directory structure and stub files for git-secrets (multi)

README.md

 Gitlab CI Security Templates
 
+# Tools
+## nodeJS/npm
+### npm-audit
+### npm-outdated
+### auditjs
+### njsscan
+### semgrep (with nodeJS rule-sets)
+## general
+### git-secrets
+
 # References
 
 https://docs.gitlab.com/ee/ci/yaml/includes.html

npm-audit/nodejs10/npm-audit-nodejs-10-ci.yml

+npm_audit_dependency_check:
+    image: docker-registry.wikimedia.org/nodejs12-devel:0.0.1-20210905
+    stage: test
+    allow_failure: false
+    variables:
+        COVERAGE_DIR: /builds/$CI_PROJECT_PATH/coverage
+        NPM_AUDIT_OPTIONS: ""
+    script:
+        - mkdir -p ${COVERAGE_DIR}
+        - npm install # to force a package-lock refresh, if necessary
+        - npm audit ${NPM_AUDIT_OPTIONS}

npm-audit/nodejs14/npm-audit-nodejs-14-ci.yml

+npm_audit_dependency_check:
+    image: docker-registry.wikimedia.org/nodejs12-devel:0.0.1-20210905
+    stage: test
+    allow_failure: false
+    variables:
+        COVERAGE_DIR: /builds/$CI_PROJECT_PATH/coverage
+        NPM_AUDIT_OPTIONS: ""
+    script:
+        - mkdir -p ${COVERAGE_DIR}
+        - npm install # to force a package-lock refresh, if necessary
+        - npm audit ${NPM_AUDIT_OPTIONS}