Write tutorials on how to properly use the VeChain-SDK

[victhorbi]

Write some examples to

• [x] Example 1:

  • introduce the Txt class to represent strings, assuring it representation as byte array is consistent across JS runtimes
  • introduce the Hex class to get or parse a hexadecimal expression.
  • show how to create objects of the types provided by the VeChain Data model
  • cast them from one type to a different one

• [x] Example 2:

• [x] Example 3:

• [x] Example 4: Bloom filter...

[lucanicoladebiasi]

The VeChan SDK JS Tutorial is a working progress repository where the functionalities of the SDK are gradually introduced to lead the developers from zero to the deployment of a Thor dapp.