Fork the project's repository and add a documentation folder (consider developing it, e.g., according to this branching model, or the one required by the projcet's development process).
    add a link to your fork to the introduction section.
Describe the given documentation and general source code structure.
Analyze and describe the main requirements/features of the product (stakeholder view).
Analyze and describe the major or important designs with UML diagrams and or other modeling means (e.g. sketeches (Calico), views, C4).
Describe a few challenges for this project (e.g., a missing important feature, known bugs).
Try to validate your analysis with the project team and report about it.