[Dragos] Convert report's HTML description into markdown

[Powlinett]

Proposed changes

• install markdownify (https://pypi.org/project/markdownify/)
• convert report's description into markdown

Related issues

• #4093

Checklist

• [x] I consider the submitted work as finished
• [x] I have signed my commits using GPG key.
• [x] I tested the code for its functionality using different use cases
• [ ] I added/update the relevant documentation (either on github or on notion)
• [ ] Where necessary I refactored code to improve the overall quality