Create module for network-related objects

[notjuanortiz]

Proposed changes

This change is the beginning of the migration of network-related objects into a separate gradle module which should result in faster build times. Contributes to #180.

Pull Request type

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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)
• Documentation Update (if none of the other choices apply)

Checklist

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• I have read the CONTRIBUTING doc
• Unit tests pass locally, after applying my changes
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have added necessary documentation
• Any dependent changes have been merged and published in downstream modules

Further comments