Add a task to create CONTRIBUTORS guide

Author: Iliyan Vutoff

M1-4-2-CI-Practice/README.md

@@ -2,17 +2,19 @@
 
 ## Task description
 
-Create a GitHub Actions pipeline that runs on commit to a feature branch (i.e. not `main`) and performs the following checks on our simple Flask app.
+Create a GitHub Actions pipeline that runs on commit to a feature branch (i.e. not `main`) and performs the following checks on our simple Flask app repository.
 
 - Check `.editorconfig`
 - Code Lint and style - use `pylint` and `black` to check for style/formatting/syntax errors
+- Check makrdown files [markdownlint-cli](https://www.npmjs.com/package/cli-markdown)
 - Code Unittest - there's a simple unit test next to our app called `app_test.py`. Make sure our unittest passes (`python -m unittest` executed in the app directory)
 - Check for hardcoded secrets (`gitleaks`) - not just our app but the whole repository.
 - SAST - SonarCloud; Review code smells and security issues
 - SCA - Snyk; review security issues
 - Build a Docker image. Use Git commit SHA as an Image tag.
 - Scan the built image with `Trivy`
 - Push the built image to your Docker HUB account
+- (optional) Add CONTRIBUTORS guide. Follow [this](https://docs.github.com/en/communities/setting-up-your-project-for-healthy-contributions/setting-guidelines-for-repository-contributors) document from GitHUb.
 
 :warning: Make sure that you run as many tests in parallel as you see fit