As a user, I want to understand how Arcana/Pydra compares to other existing workflow engines (e.g. Airflow, Nextflow) and what benefits it brings, so I can decide whether I want to invest time into understanding how use it.
Acceptance Criteria
[ ] 1. Write section called "Why Arcana?" to first page of docs
[ ] 2. Address issues raised by @civier in Australian-Imaging-Service/pipelines#113
Description
As a user, I want to understand how Arcana/Pydra compares to other existing workflow engines (e.g. Airflow, Nextflow) and what benefits it brings, so I can decide whether I want to invest time into understanding how use it.
Acceptance Criteria