test the current version of the nf-core tools basic training

[FranBonath]

### Tasks

[FranBonath]

The training can be found in the branch nf_core_basic_training in the nf-core/website repo.

Anyone is welcome to check through this version and add comments. The training material is work in progress, so there are bound to be unfinished tasks. Be aware that there is a PR out that adds/improves the section "adding an nf-core module".

Feel free to use the website deploy previews: For the current version For the PR about adding an nf-core module

[aponsero]

Hello, I am currently going through the material, since I am novice at creating nf-pipeline, I think I am the target audience and can provide feedback from that point of view! Here are few notes, not everything may be relevant or helpful, so feel free to ignore them if it doesn't help!

1. Preparation section:

• the nf-Core GitPod documentation is not linked yet (hyperlink doesn't work)
• Would be good to add links to Nextflow training ressources in the "Prerequisite section"

2.Pipeline git repo

• Maybe having a separate section on the different branches and submission workflow (you currently have the info in the "Pipeline git repo" section)

3.Run the new pipeline

• the section fails when the trainee follows the step by step instruction. The fatal error happens when running the NFCORE_DEMOTEST:DEMOTEST:MULTIQC step.

4.Template code walk through

• Maybe move the piece about check_samplesheet "The python script check_samplesheet.py is part of the nf-core template, since typically, nf-core pipelines require a samplesheet as one of their inputs." to the exercise response section