fixing the shift of the center of the array for resampling

[hzarei4]

This is my proposed code for the shifting center for resampling around (1, 1).

This will fix the issue with the center of the array. Here is the runtime memory and time consumption:

julia> @time b = resample(a, (111, 111), shift_center=false);
  0.000446 seconds (25 allocations: 196.500 KiB)

julia> @time b = resample(a, (111, 111), shift_center=true);
  0.000405 seconds (26 allocations: 244.188 KiB)

[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 93.88%. Comparing base (88e2b17) to head (ea100ed).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/resampling.jl	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #54      +/-   ##
==========================================
- Coverage   94.03%   93.88%   -0.15%     
==========================================
  Files          19       19              
  Lines        1173     1177       +4     
==========================================
+ Hits         1103     1105       +2     
- Misses         70       72       +2     

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[roflmaostc]

Could you please add a simple 1D test case? intests/

[RainerHeintzmann]

Hossein, you may have talked to me first :-) I think we are running in circles here. Felix insisted on not making the Fourier center the default and we keep hitting the wall at the same place.