Add Dockerfiles for popular databases to demonstrate queries

[chrisjbrooks]

Is your feature request related to a problem? Please describe. Enable users to easily run (and tweak) the example queries on their dev machines.

Describe the solution you'd like Add example Dockerfiles and Docker Compose files (along with helper scripts and make recipes) to enable users to spin up local dev database instances

Describe alternatives you've considered None

Additional context Oracle Database is probably the most popular database solution used at MNOs in LMICs for processing CDR. Need to be aware of licensing that accompanies the commercial database solutions such as Oracle Database, Microsoft SQL Server.