adds datadog agent as docker container

[InManuBytes]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes # (issue)

Before

After

Type of change

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• 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)

If this is a breaking change for a bug fix, please tag someone from DevOps so they can deploy a new version of the API

• CI/CD Change (these relate to any changes in the docker-compose or .circleci config file)
• This change requires a documentation update

Dependency Changes

• Please list any dependency changes (for example, gem files) and why they were required

How Has This Been Tested?

Please describe the tests that you added.

• Unit Tests

• Integration Tests