Add Windows ML EP Catalog Sample with CMake and vcpkg integration

[nieubank]

• Introduced a new sample demonstrating the WinMLEpCatalog Native C API for managing hardware-accelerated execution providers for machine learning inference on Windows.
• Added CMake configuration with presets for various architectures and build types.
• Created a PowerShell build script to automate the build process, including prerequisite checks and configuration.
• Implemented a batch wrapper for the PowerShell script for easier command-line usage.
• Included detailed README documentation covering sample usage, project structure, prerequisites, and build instructions.
• Established vcpkg configuration and overlay ports for dependency management, including the Microsoft Windows AI Machine Learning SDK.
• Implemented the main sample code to demonstrate provider registration and enumeration using the Windows ML API.

Description

Please include a summary of the change and/or which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Target Release

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Checklist

Note that /azp run currently isn't working for this repo.

• Samples build and run using the Visual Studio versions listed in the Windows development docs.
• Samples build and run on all supported platforms (x64, x86, ARM64) and configurations (Debug, Release).
• Samples set the minimum supported OS version to Windows 10 version 1809.
• Samples build clean with no warnings or errors.
• [For new samples]: Samples have completed the sample guidelines checklist and follow standardization/naming guidelines.
• Microsoft employees only: you can validate your changes by following the instructions here: https://www.osgwiki.com/wiki/WindowsAppSDK-Samples