Fix vulnerabilities


Currently, the code formatting is not consistent across the project.
Preferred Formatting:
Use prettier to achieve the same
Hi,
We would like to ask for a review of the docs of Schleuder, a GPG-enabled mailing list manager with resending capabilities, and related projects:
Thanks in advance, and for your work.
Cheers,
Georg
Add visualized image for each category
Hey, I was hoping to add a Header for the metrics in the Readme section. Let's use GitHub Actions for the optional header part.
The way we'll use it is with the actions.yml file. We can add a new inputs called Header and default to "" . If the user want to add a Header, he could add one. This in case will not break any of the current users stats and won't cause any issues(I hope it doesn't
Add a description, image, and links to the readme topic page so that developers can more easily learn about it.
To associate your repository with the readme topic, visit your repo's landing page and select "manage topics."