Scratch tar option, error-handling, from-channel and to-channel for submit-volt

[gsleap]

Fixes #23 #24 #25

[codecov]

Codecov Report

Attention: Patch coverage is 63.87435% with 138 lines in your changes missing coverage. Please review.

Project coverage is 45.13%. Comparing base (45908e3) to head (715236a).
Report is 12 commits behind head on main.

Files	Patch %	Lines
src/bin/giant-squid.rs	0.00%	77 Missing ⚠️
src/asvo/mod.rs	77.62%	49 Missing ⚠️
src/asvo/types.rs	45.00%	11 Missing ⚠️
src/asvo/asvo_serde.rs	98.48%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #26      +/-   ##
==========================================
+ Coverage   38.22%   45.13%   +6.91%     
==========================================
  Files           7        7              
  Lines        1125     1429     +304     
==========================================
+ Hits          430      645     +215     
- Misses        695      784      +89     

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