[Add] Custom Base ApplicationEngine Class

[cschuchardt88]

Description

This PR add ApplicationsEngineBase to neo-build. This abstract class allows for other classes to inherit from it. Also, I'll be adding in the next series of PRs. This in includes sink message logging, data export, unit tests and various other features to and for ApplicationsEngineBase.

Blocked By

• [Add] Protocol Settings as Extras in Wallet #3781

Type of change

• Optimization (the change is only an optimization)
• Style (the change is only a code style for better maintenance or standard purpose)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

• Unit Testing

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules