support to nmredata extension n multiple spectrum sources

[jobo322]

sometimes I found there are two Spectrum_Location tag

[codecov]

Codecov Report

Patch coverage: 80.64% and project coverage change: +0.22% 🎉

Comparison is base (91f0dd1) 54.75% compared to head (11b9d97) 54.98%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #44      +/-   ##
==========================================
+ Coverage   54.75%   54.98%   +0.22%     
==========================================
  Files          24       24              
  Lines         747      753       +6     
  Branches      224      228       +4     
==========================================
+ Hits          409      414       +5     
  Misses        274      274              
- Partials       64       65       +1     

Files Changed	Coverage Δ
src/converter/util/toJSON/getJcamp.js	42.85% <0.00%> (ø)
src/converter/util/toJSON/getBrukerFiles.js	80.00% <78.26%> (-4.22%)	⬇️
src/converter/nmredataToJSON.js	91.42% <100.00%> (+2.53%)	⬆️
src/util/getSDF.js	100.00% <100.00%> (ø)

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