Resolve "Collect ideas for a first blog post: Introducing the Workflow of a new Blog Post"

Summary of workflow:

1. Collect ideas for a new topic of a blog post.
2. Open a new issue in GitLab to discuss the topic with the HIFIS team and exchange ideas about the topic.
3. Clone the Git repository and create a feature branch to write the blog post.
4. Setup feature branch in your personal IDE and the whole Jekyll environment for local developments.
5. Write the blog post using Git.
6. Push the feature branch into GitLab.
7. Open a merge request in GitLab with the final draft of the blog post and open it up for a review process.
8. Agree on a set of checklist items for the review process.
9. Make final changes incorporating the suggestions from the review.
10. Resolve all suggestions within the merge request.
11. Merge the feature branch into branch master.
12. Wait for GitLab CI Pipelines to finish successfully.
13. Close issue as well as merge request and delete the feature branch.

Closes #25 (closed)