Injectable middleware

[raman-nbg]

Added an abstract class BaseMiddleware to create middleware classes which can be injected.

Description

The implementation is the same as in inversify-express-utils

Motivation and Context

This will be used to provide a central logger and auth handler as middleware.

How Has This Been Tested?

Unit Tests

Types of changes

• 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 change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.