Create automatic launch function for VariantSpark to AWS

[BauerLab]

Create an automated way to spin up a Spark cluster on AWS with VariantSpark installed so researchers can get started easily.

This extends the work done by Lynn Langit as detailed over the following three blog posts: Part 1: Getting Started with VariantSpark and cloud deploy Part 2: Using EMR to deploy Part 3: Using EKS to deploy