Phase 4

• Reusable microservice module (ECS service, logs, etc)
• organize container definitions into json file + template resources

What's Changed

• chore: docs by @g-otn in #7
• Update providers.tf by @g-otn in #8
• Feat/initial ecs by @g-otn in #9
• fix: port and other service modules values by @g-otn in #10

Full Changelog: phase-3...phase-4