Research - Revert reason of confirmed tx

[victhorbi]

The issue is a reaserch task to design the improvement linked to the reported issue: https://github.com/vechain/vechain-sdk-js/issues/438

The expected result will be to unblock the issue and proceed with the write up of the documentation.

This issue can be spliced into two parts:

• [x] Get the revert reason of a reverted transaction into transactions module

[rodolfopietro97]

Issue #829