Improve documentation and getting started guides

[danielfernau]

This issue is a place to collect tasks and ideas related to improvements of the documentation and getting started guides.

🚀 Feel free to add your own suggestions!

[danielfernau]

• add links to guides on how to set up Docker on different platforms
• add a more detailed documentation on how to configure volume mappings (with examples for each platform)
• provide detailed examples for each CLI parameter / option
• add a FAQ section based on common questions asked here (Issues / Discussions)