feat: EXPOSED-755 Introduce Exposed Migration Gradle Plugin

[nomisRev]

Introduces the Exposed Migration Gradle Plugin to simplify SQL migration generation using Exposed table definitions. The plugin supports TestContainers for database testing, Flyway for integration, and a highly configurable extension. Includes unit tests for plugin functionality and task behavior.

Description

Summary of the change: Introduces the Exposed Migration Gradle Plugin to simplify SQL migration generation using Exposed table definitions. The plugin supports TestContainers for database testing, Flyway for integration, and a highly configurable extension. Includes unit tests for plugin functionality and task behavior.

Detailed description:

• What: This PR introduces a new module with a Gradle plugin that wraps the migration module.
• Why: Automatic migration script generation through Gradle with 0 boilerplate.
• How: New functionality, no impact on the existing codebase or features.

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Type of Change

Please mark the relevant options with an "X":

• [X] New feature

Affected databases:

• [X] MariaDB
• [X] Mysql5
• [X] Mysql8
• [X] Oracle
• [X] Postgres
• [X] SqlServer
• [X] H2
• [ ] SQLite

Checklist

• [X] Unit tests are in place
• [X] The build is green (including the Detekt check)
• [X] All public methods affected by my PR has up to date API docs
• [ ] Documentation for my change is up to date

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Related Issues

EXPOSED-755