added IaC for the cicd-for-data-processing-workflow (#17)

Merge pull request #16 from brodiemackenzie/master

remove b64e, update pubsub message param

update b64e & pubsub types

fix typo

fix typo

fix typo

add pubsub topic Airflow variable

add pubsub topic variable

add new imports - b64e, pubsub publish operator. add pubsub topic variable

Merge pull request #14 from kingman/master

keeping the number of shards to 3

adapting to airflow 2

user dockerhub image for build and changed to python3

Merge pull request #13 from swalkowski/master