[Feature] Refactor Network Workload Module

[Vezio]

Summary

• Currently, the network workload code has many todos scattered across itself, many of which probe the idea of generalization. We should create a general workloads module so we can easily register and expand the workloads we'd like to support.

Impact

• Significant refactoring of the existing Network workload. Functionality will remain the same but it will be much more scalable. Some APIs will change -- but none for client facing, just internal.

Proposed Solution

• TBD