edited README.md

edited docker-compose, spark.py added parameters

Updated README.md, terraform, added env variables

Updated README.md

Updated README.md, added screenshots

update the README.md and renamed directory

Edited the README.md file

updated DAG names and emr cluster number

updates spark.py to write event_counts table and the Dags are running successfully now.

Successfully created emr cluster

added the spark script, edited the dags.

Added Airflow folder and dag scripts

Added Terraform folder and tested init

Update README.md

Initial commit