MetaData first pass

[chrisjenx]

Fix for #4

This pull request includes several significant changes aimed at enhancing the database functionality, improving metadata management, and updating configurations. The most important changes include adding metadata queries, modifying the KeyValueStorage class to support metadata, and updating the Gradle configuration.

Enhancements to Database Functionality:

• library/src/commonMain/kotlin/com/mercury/sqkon/db/KeyValueStorage.kt: Added metadata support to the KeyValueStorage class, including methods for updating read and write timestamps and a new metadata method to retrieve metadata information. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16]

Metadata Management:

• library/src/commonMain/kotlin/com/mercury/sqkon/db/MetadataQueries.kt: Introduced a new MetadataQueries class to handle metadata operations.
• library/src/commonMain/kotlin/com/mercury/sqkon/db/adapters/InstantColumnAdapter.kt: Added an InstantColumnAdapter for encoding and decoding Instant values in the database.
• library/src/commonMain/kotlin/com/mercury/sqkon/db/utils/RequestHash.kt: Created a RequestHash class to manage transaction hashes for metadata updates.

Gradle Configuration Updates:

• .github/workflows/ci.yml: Added a new step to verify SQLDelight migrations in the CI workflow.
• gradle.properties: Updated the version name to 1.0.0-alpha02 and removed deprecated Kotlin Multiplatform properties. [1] [2]

Code Refactoring and Cleanup:

• library/src/androidInstrumentedTest/kotlin/com/mercury/sqkon/db/SqkonDatabaseDriverTest.android.kt: Refactored the createEntityQueries function to driverFactory.
• library/src/androidMain/kotlin/com/mercury/sqkon/db/Sqkon.android.kt: Updated the Sqkon function to include metadataQueries.
• library/src/commonMain/kotlin/com/mercury/sqkon/db/Sqkon.kt: Modified the Sqkon class to integrate metadataQueries. [1] [2]

These changes collectively enhance the functionality, maintainability, and performance of the database module.