Create github actions to automate test execution and acceptance criteria on commit

[cmickeyb]

Add actions to perform automated testing.

Assumption is that every contract family provides an automated test.

This should be a straightforward extension of the PDO client docker file with the pdo contracts repository.

Depends on #4

[cmickeyb]

PR #23 adds basic support for automated tests. Still need to address the github actions part. This will require building all of the PDO containers as well.