Add script to configure system from a JSON file

[jcapona]

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 1.85185% with 106 lines in your changes missing coverage. Please review.

Project coverage is 30.86%. Comparing base (566b2ee) to head (bd84b96).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
pi_top_usb_setup/configure.py	0.00%	96 Missing ⚠️
pi_top_usb_setup/app_fs.py	0.00%	7 Missing ⚠️
pi_top_usb_setup/utils.py	40.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #25      +/-   ##
==========================================
- Coverage   32.50%   30.86%   -1.64%     
==========================================
  Files          13       14       +1     
  Lines         960     1014      +54     
==========================================
+ Hits          312      313       +1     
- Misses        648      701      +53     

Flag	Coverage Δ
python-tests	30.86% <1.85%> (-1.64%)	⬇️

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