Add a new file parser option for non-homologous expansion

[ymatsumu]

📝 Description

Type: 🚀 feature

A step to enable non-homologous expansion by reading and parsing a .csv file with radius.

📌 Resources

Examples, notebooks, and links to useful references.

🚦 Testing

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☑️ Checklist

• I requested two reviewers for this pull request
• I updated the documentation according to my changes
• I built the documentation by applying the build_docs label

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[codecov]

Codecov Report

Merging #2375 (880d249) into master (5b36105) will decrease coverage by 0.04%.
The diff coverage is 20.00%.

❗ Current head 880d249 differs from pull request most recent head 03ced67. Consider uploading reports for the commit 03ced67 to get more accurate results

@@            Coverage Diff             @@
##           master    #2375      +/-   ##
==========================================
- Coverage   70.57%   70.53%   -0.04%     
==========================================
  Files         139      139              
  Lines       12875    12885      +10     
==========================================
+ Hits         9087     9089       +2     
- Misses       3788     3796       +8     

Files Changed	Coverage Δ
.../montecarlo/montecarlo_numba/nonhomologous_grid.py	48.00% <ø> (ø)
tardis/io/model_reader.py	64.50% <11.11%> (-1.70%)	⬇️
tardis/montecarlo/montecarlo_configuration.py	100.00% <100.00%> (ø)

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[andrewfullard]

Would it be possible to add a test to this?

[andrewfullard]

This seems to be the basis for PR 2380, is that correct?