* Add initial dataflow template code + TF infra
* Refactor the datapipeline DAG to use flex template operator, cleanup code
* Remove unneeded bash scripts, update README with manual examples
* Refactor datapipeline_dc_tags.py and include new Flex template
* Update docs to reflect changes
* Remove sub-dependencies and keep apache beam
* Add missing license headers and update tests
* Set resouces to 291 in tests
* Update outputs via tfdoc
* Update with outputs order and tfdoc
* Correct number of resources
* Fix to add region into command from var
* Enable service account impersonation for running builds
* Update example dataflow run command to use orchestrator SA
* Remove hard coded values in example
* Keep original airflow files, add new which use Flex template as example
* Update tests and doc
* Fix number of resources in plan
* Run tfdoc remove files section in README
* Fix number of modules in tfdoc
* Update number of resources
* Add missin service account
* Update DF demo README
* Quick rename
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Co-authored-by: lcaggio <lorenzo.caggioni@gmail.com>
Co-authored-by: Ludovico Magnocavallo <ludomagno@google.com>