Write documentation for library usage

[ChristianBirchler]

User Story

As a user, I want to have documentation with examples of API usage so that I can quickly create my own pipelines.

Definition of Done

• Code is reviewed
• Code is manually tested in dev and test environments
• All code is integrated frequently
• Integration testing is performed
• SonarQube check is run to determine the code metrics
• Refactoring is done

Tasks

• [ ] Write documentation