added support for 2d weights

[KrishnaAgarwal1308]

the files edited are utils.py in procrustes dir and test_utils.py in procrustes/test. In response to issue #202 (comment)

edits:-
utils.py
Keeping the previous functionality for 1d weight matrix and none weight matrix added the support for 2d weight matrix to _translate_array, _setup_input_array_lower and added _is_psd to check if the weight is psd matrix or not.

test_uitls.py
all previous code intact with addition of est_translate_with_2d_weight_uses_ordinary_mean()

[codecov]

Codecov Report

❌ Patch coverage is 62.50000% with 15 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (main@8f1173a). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
procrustes/utils.py	62.50%	15 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #221   +/-   ##
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  Coverage        ?   92.67%           
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  Files           ?       11           
  Lines           ?      833           
  Branches        ?        0           
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  Hits            ?      772           
  Misses          ?       61           
  Partials        ?        0           

Files with missing lines	Coverage Δ
procrustes/utils.py	77.24% <62.50%> (ø)

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[FanwangM]

Hi @KrishnaAgarwal1308. Could you please correct the errors related to the coding style in the automated tests? Thanks.