**app/models/ci_platform_metric.rb:**

- New model.

**db/structure.sql:**

- Updated structure following migration.

**db/migrate/20200820204041_create_ci_platform_metrics.rb:**

- Migration.

**db/schema_migrations/20200820204041:**

- Migration artifacts.

**spec/factories/ci_platform_metrics.rb:**

- New builder for this model.

**spec/models/ci_platform_metric_spec.rb:**

- New spec tests for this model.

**changelogs/unreleased/ci-platform-metrics.yml:**

- Required changelog addition.