Adding in several new methods that deal with non-IID training

What's Changed

• Update client polling by @jewelltaylor in #18
• Scaffold by @jewelltaylor in #19
• Adding Configuration to Run Unit Tests on PR by @emersodb in #21
• Fed Prox and an example of Local Fine Tuning by @emersodb in #20
• Scripts for Launching Local and Vector Cluster Based FL by @emersodb in #22
• Patch fix for local fl script by @emersodb in #24
• Dbe/wandb first integration by @emersodb in #23
• Cluster FL Script on One Resource by @emersodb in #25
• Checkpointer: First pass by @emersodb in #26
• Parameter exchanger packing by @jewelltaylor in #27

Full Changelog: v0.1.3...v0.1.4