Getting Started
If you want to know where to start and how to get used to it.
Examples
If you want to know how to use it.
API Reference
If you need to know the specific details of the public API
Architecture
If you want to know the architecture in general and the decisions which led to it.
Development Environment Setup
If you want to know how to set up your system for development
Continuos Integration / Continuos Deployment
If you want to know how CI / CD is organized
Contribution
If you want to know how to contribute code, fix bugs and make pull requests