upgrade project/test structure (without fixes) (#104)
* general clean up
* fix tests
* correct tests (even if invalid values)
* add missing images
* adjust tests
* disabling but leaving as reference code
* disabling stax temporarily
* avoid repeated work in every branch
* Fix type typo in spend output creation
* fix some types and tests on for zemu (#105)
* fix: typos
* chore: leave only nanosp for testing
* fix: types
* fix: tests
* fix: tests
* add missing snapshots for two test cases
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Co-authored-by: neithanmo <neithanmo@gmail.com>
Co-authored-by: Emmanuel <emmanuelm41@gmail.com>