Simply copy the ms-vscode.cuda-0.1.0 folder into your .vscode/extensions folder. Depending on your platform it is located:

Windows %USERPROFILE%\.vscode\extensions
Mac $HOME/.vscode/extensions
Linux $HOME/.vscode/extensions

• Split the editor (Cmd+\ on OSX or Ctrl+\ on Windows and Linux)
• Toggle preview (Shift+CMD+V on OSX or Shift+Ctrl+V on Windows and Linux)
• Press Ctrl+Space (Windows, Linux) or Cmd+Space (OSX) to see a list of Markdown snippets

• Visual Studio Code's Markdown Support
• Markdown Syntax Reference