Initial working google auth

auth-service/node_modules/passport-google-oauth20/CONTRIBUTING.md

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+## Contributing
+
+### Tests
+
+The test suite is located in the `test/` directory.  All new features are
+expected to have corresponding test cases with complete code coverage.  Patches
+that increase test coverage are happily accepted.
+
+Ensure that the test suite passes by executing:
+
+```bash
+$ make test
+```
+
+Coverage reports can be generated and viewed by executing:
+
+```bash
+$ make test-cov
+$ make view-cov
+```