* add circleCI
* wip
* CircleCI setup that worked on my private repo. Use a working pytorch-lightning commit
* Fix the orb imports
* Update circleci header comment
* Try to pull the GITHUB_REF from the CI_PULL_REQUEST
* Use null instead of space for 'sed'
* Add TODO for codecov
* Remove echo of GKE_CLUSTER since it will be redacted by CircleCI.
* Try running codecov upload.
* Try using codecov orb
* Use pip install codecov
* Use codecov orb again since it should be approved
* dockers/tpu-tests/Dockerfile
* action
* suggestions
* drop suggestion
* suggestion
Co-authored-by: Jirka <jirka@pytorchlightning.ai>
Jirka Borovec