Load Testing Framework

[jsturtevant]

This is starter for information feel free to adjust or edit.

How do we measure:

• density
• startup time
• shutdown
• base level memory consumption
• what else?

Should be able to run with:

• hyperlight
• hyperlight-wasm
• other hyperlight guests

Requirements:

• Require some sort of graph or comparison
• be able to run in CI and locally

[jsturtevant]

closing in favor of #593