convert project to kotlin multiplatform

[osoykan]

#327

[Copilot]

Pull request overview

This PR converts the kediatR project from a JVM-only library to a Kotlin Multiplatform library, enabling support for JVM, JS, and Native platforms. The conversion involves:

• Migrating core modules to Kotlin Multiplatform with platform-specific implementations
• Converting Java reflection to Kotlin reflection with platform-specific adapters
• Updating dependency injection integrations (Koin, Spring, Quarkus) to use KClass instead of Java Class
• Creating a new kediatr-testing module to replace test fixtures
• Implementing platform-specific concurrency and dispatcher utilities

Key Changes

• Core library now supports JVM, JS (IR), iOS, macOS, Linux, and Windows (mingw) platforms
• Platform-specific implementations for reflection, concurrency, and coroutine dispatchers
• API changes from Class<T> to KClass<T> across all dependency providers
• Test infrastructure migrated from JUnit to kotlin.test for multiplatform compatibility

Reviewed changes

Copilot reviewed 47 out of 58 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
build.gradle.kts	Added KMP configuration with platform-specific setup for core and koin-starter modules
settings.gradle.kts	Added kediatr-testing module inclusion
projects/kediatr-core/build.gradle.kts	Converted to KMP with multiple target platforms defined
projects/kediatr-core/src/commonMain/kotlin/*	Core library interfaces and implementations migrated to common code
projects/kediatr-core/src/jvmMain/kotlin/*	JVM-specific reflection and platform implementations
projects/kediatr-core/src/jsMain/kotlin/*	JS-specific reflection stubs (limited functionality)
projects/kediatr-core/src/nativeMain/kotlin/*	Native-specific reflection stubs and concurrency adapters
projects/kediatr-testing/*	New testing module with multiplatform test utilities
projects/kediatr-koin-starter/*	Migrated to KMP with updated API using KClass
projects/kediatr-spring-boot--starter/	Updated to use KClass API with Java interop
projects/kediatr-quarkus-starter/*	Updated to use KClass API with Java interop
kotlin-js-store/yarn.lock	Auto-generated JS dependency lockfile

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