initial attempt for deploy module account transaction handler

[rbaconcordium]

Purpose

to support deserialization of DeployModulePayload

Changes

to start supporting deserializing the DeployModulePayload instead of throwing an exception of not supportable in accountTransactions.ts

Checklist

• [ x ] My code follows the style of this project.
• [ x ] The code compiles without warnings.
• [ x ] I have performed a self-review of the changes.
• [ x ] I have documented my code, in particular the intent of the
  hard-to-understand areas.
• [ x ] (If necessary) I have updated the CHANGELOG.