[Task] Document each workflows/jobs

[shiipou]

What should be done

Each workflows here need to be documented.

Technical recommandation

Any technical recommandation or specific warning about this task (if needed)

• Security issue to be warned of
• Complexity issue
• Will it scale ?

Ecological concerns

What can be done to improve the ecological impact of this task ?

• Can we minimize the data send to the network ?
• Are data stored ? Can we minimize the amount of stored data ?
• Is it CPU-intensive ? Can we reduce the CPU charge ?
• Is it RAM-intensive ? Can we reduce the RAM load ?

Is this task linked with any other ?