Refgenie alias translation

[mirpedrol]

Solves the problem reported on slack.

When the asset alias in a refgenie server is different to the one the nf-core pipeline expects, assets aren't detected. This allows having a translation files to automatically translate refgenie aliases to the ones used in nf-core.

Docs: nf-core/website#1754

PR checklist

• This comment contains a description of changes (with reason)
• CHANGELOG.md is updated
• If you've fixed a bug or added code that should be tested, add tests!
• Documentation in docs is updated

[codecov]

Codecov Report

Merging #2242 (46a3c38) into dev (fa05c3c) will increase coverage by 0.02%.
The diff coverage is 85.00%.

@@            Coverage Diff             @@
##              dev    #2242      +/-   ##
==========================================
+ Coverage   73.04%   73.07%   +0.02%     
==========================================
  Files          77       77              
  Lines        8344     8364      +20     
==========================================
+ Hits         6095     6112      +17     
- Misses       2249     2252       +3     

Impacted Files	Coverage Δ
nf_core/refgenie.py	77.41% <85.00%> (+2.07%)	⬆️

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