Create an EC2 Instance with Athena, OpenSearch permissions for Quilt

Generate a keypair with `keygen.sh`

Name		Name	Last commit message	Last commit date
Latest commit History 1 Commit
README.md		README.md
ec2-requirements.txt		ec2-requirements.txt
keygen.sh		keygen.sh
main.tf		main.tf
requirements.txt		requirements.txt
variables.tf		variables.tf