Add Soroban support.

[overcat]

This PR has been moved to #84

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 82.51232% with 71 lines in your changes are missing coverage. Please review.

Project coverage is 77.72%. Comparing base (4a4b1cd) to head (16f70ce).

Files	Patch %	Lines
src/transaction/transaction_parser.c	80.35%	56 Missing ⚠️
src/transaction/transaction_formatter.c	91.50%	9 Missing ⚠️
src/swap/handle_check_address.c	0.00%	3 Missing ⚠️
src/utils.c	75.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop      #81      +/-   ##
===========================================
+ Coverage    76.87%   77.72%   +0.85%     
===========================================
  Files           14       14              
  Lines         2378     2779     +401     
===========================================
+ Hits          1828     2160     +332     
- Misses         550      619      +69     

Flag	Coverage Δ
unittests	77.72% <82.51%> (+0.85%)	⬆️

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[sieg-i]

Really looking forward to see Soroban supported by the Ledger app!

[overcat]

Due to my plan to submit a new PR with a lot of updates recently, in order to save resources, let's close this PR first.