Feature/lambdafication revised

[jchrisfarris]

This PR provides a way to run the engine via AWS Lambda. A new file lambda_index.js is provided which contains the lambda_handler. A SAM CloudFormation Template and Makefile exist for deployment. The output handler/engine are refactored slightly to allow defining output collectors without using commandline arguments.

These plugins were developed by Trek10 under contract to WarnerMedia for release back into the main CloudSploit Scanning Engine. WarnerMedia expressly authorizes their contribution.

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0 out of 3 committers have signed the CLA.

❌ Ryan Farina
❌ hauboldj
❌ mtskillman

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