feat: Complete Phase 6 - TestContainers documentation and cleanup#48

dfcoffin merged 1 commit intomainGreenButtonAlliance/OpenESPI-GreenButton-Java:mainfrom

fix/phase6-testcontainers-docs-cleanupGreenButtonAlliance/OpenESPI-GreenButton-Java:fix/phase6-testcontainers-docs-cleanupCopy head branch name to clipboard