Codecs (part 5): Type formula and type formula parser

[andreibancioiu]

This is part of a series of pull requests.

See: https://github.com/multiversx/mx-sdk-py/pull/32.

This can be reviewed side-by-side with:

• https://github.com/multiversx/mx-sdk-js-core/tree/main/src/abi
• https://github.com/multiversx/mx-sdk-js-core/pull/398