* initial commit of cicd example

* updated README

* updated link in README

* updated gitignore

* consistent punctuation for bullets, spelling issues

* added gcloud example for CSR

* updated README to provide additional context for how to use the example

* provided additional clarity and detail on steps 3,4,5

* fixed first person, comments for Dockerfiles and yaml

* Changed documentation to address the issues found in code review.

* Improved the unit tests in this example, changed license format, and refactored doc strings

In this CL I resolved the issues in PR #267 that were found on the python files.

1) I made the docstrings conform with google's style guide.

2) I changed the format to the Apache License in the beginning of each file.

3) I added more complete unit tests so users weren't hungup on the minimal testing

* Added license to all files and updated docstrings.

In this CL I added the Apache 2.0 License to yaml and Dockerfile.
I also added docstring for main() in my_module() and the container
classes used in test_my_module.py.

* Corrected punctuation in README and docstrings.

* Made sample functions typesafe and added test coverage for type safety.

* Reformatted error messages

* Changed ValueError to TypeError for TypeSafe checking