Add a Parser for Compiled Cairo Zero File

[rodrigo-pino]

We are adding a Json Unmarshaller for compiled Cairo Zero Files. Cairo Zero allow us to write programs directly in CASM, allowing for greater control when testing specific instructions

Useful docs:

• The Cairo Lang Compiler: https://github.com/starkware-libs/cairo-lang
• The Cairo Zero Docs: https://docs.cairo-lang.org/0.12.0/hello_cairo/index.html

[krafugo]

I'll do it

[rodrigo-pino]

Solved on #40