Add Win-ARM64 support for VLC-nuget

[thirumalai-qcom]

This pull request introduces Win-arm64 support for VLC-nuget in the Unigram repository, encompassing two commits:

1. Add Patch for VLC-arm64-NuGet Package:

• A patch file has been uploaded to facilitate the creation of the VLC-arm64 NuGet package.
• The patch ensures that dependencies such as 7z and Mono are automatically handled during the NuGet generation process, simplifying the build procedure for developers.

2. Update Build-instruction.md :

• This commit updates the Build-instruction.md file to include comprehensive steps for creating the VLC-ARM64 NuGet package for the Unigram project.