Serverless POC: Create new test apps

[obenkenobi]

Description

Create new test apps for serverless mode testing. I recommend contacting the .Net team to see what scenarios they have tested. Update: for parity, we should account for scenarios that test variable Lambda wait times based on configuration, as well as the number of instrumented methods being invoked.

Acceptance Criteria

These new test apps should follow the scenarios the .Net team did for their serverless mode testing.

These apps should be deployed into the GHE sample apps repo

[Newrelic-Boomi]

https://new-relic.atlassian.net/browse/NR-506833