rename ResourceReference to ResourceTemplateReference

[zyfy29]

Renamed ResourceReference to ResourceTemplateReference in source code and the kotlin sdk api documentation file

Motivation and Context

#186

How Has This Been Tested?

gradle build successful

Breaking Changes

Yes, they need to change the name in function calls as well

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Documentation
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have added or updated documentation as needed

Additional context

none

[Copilot]

Pull Request Overview

This PR renames the ResourceReference class to ResourceTemplateReference to better reflect its purpose as a reference to resource or resource template definitions. The change improves code clarity by making the class name more descriptive of its actual functionality.

• Renamed ResourceReference data class to ResourceTemplateReference in the main types file
• Updated the polymorphic serializer to use the new class name for deserialization
• Updated the Kotlin SDK API documentation to reflect the class name change

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
src/commonMain/kotlin/io/modelcontextprotocol/kotlin/sdk/types.kt	Renamed the data class from ResourceReference to ResourceTemplateReference
src/commonMain/kotlin/io/modelcontextprotocol/kotlin/sdk/types.util.kt	Updated polymorphic serializer to reference the renamed class
api/kotlin-sdk.api	Updated API documentation to remove old class definition and add new class definition

[sdubov]

Thank you for your contribution! Looks good for me. Just need to resolve the merge conflicts before merging.