Add Bravos transfer minimal contract test

[pefontana]

The idea is to reproduce a minimal case of this tx https://starkcompass.com/transactions/0x4ba569a40a866fd1cbb2f3d3ba37ef68fb91267a4931a377d6acc6e5a854f9a
that triggers a deserilize params #1 en ARM
Here ara some minimal contracts that reproduce the first part of the contract
multicall.cairo and multi_route_swap.cairo

In the multicall.cairo, there are some commented lines. If you change the type of calldata to Span, uncomment those lines and comment out the ones above so that it compiles.
main...fede-debug