125 - terraform docs: database, cicd-integration

[ale210]

Fixes #125

What changes did you make?

• added terraform inline docs to module 'database'
• added terraform inline docs to module 'cicd-integration'

[github-actions]

Terraform plan in terraform
With backend config files: terraform/prod.backend.tfvars

No changes. Your infrastructure matches the configuration.

No changes. Your infrastructure matches the configuration.

Terraform has compared your real infrastructure against your configuration
and found no differences, so no changes are needed.

✅ Plan applied in Terraform apply (OIDC) #53

[RSkuma]

Looks Good To Me