* spot instance test
* update outputs.tf to provide spot instances
* uptate outputs.tf data_node_ips
* propogate spot instance request tags to the instances
- terraform scripts to set up cluster
- cloud-formation scripts to set up cluster
- set up ingest node with kafka server and datagen
- set up second ingest node with molecula-consumer-kafka-static
- set up datadog in all nodes (ingest + featurebase)
- set up script to execute different queries
- only run delete test on schedule
