Adds support for using the Zig programming language to Visual Studio 2022

Features:

• Zig language syntax highlighting
• Zig Language Server (ZLS) support (completions, tooltips, find references and more)
• Tools path setup
• Folder mode
  • Build and debug from VS 2022 using build.zig
• Project mode
  • Build and debug from VS 2022 using project files
  • Application and library templates
  • Use project References node to link with other projects
• Run code tests using Test Explorer