Outline the VeChain SDK FAQ

[victhorbi]

Context
There are some common concepts and questions a developer may ask frequently, we need to list out and provide answer to our BD team and AI help.

Description
Write a list of questions based on the Discord/Telegram commonly asked questions and what is mandatory to know before starting to code on VeChain using the SDK.

Acceptance

• Write the list
• Make sure it captures the fundamentals

for each of the entries

• provide an answer
  or
• write a new tutorial on the vechain-sdk-js-tutorial repo if applicable.