# ├── README.md
# ├── athena            : athena query
# ├── build.sbt         : build.sbt build sbt dev env
# ├── config            : config for cres access AWS, 3rd party services
# ├── data              : sample data for script tes
# ├── doc               : ref docs
# ├── hive              : hive scripts 
# ├── project           : sbt project files 
# ├── pyspark           : pyspark code 
# ├── quick_start.sh    : help script run sbt/spark commands
# ├── script            : help script
# ├── src               : main scala spark ETL code
# ├── target            : compiled java file
# └── task_step         : json files define tasks at EMR