Update dependencies: vscode to 1.31.0, markdownlint to 0.15.0, vsce to 1.63.0, @types/node to 12.0.8.
Update dependencies: vscode to 1.31.0, markdownlint to 0.15.0, vsce to 1.63.0, @types/node to 12.0.8.

DavidAnson/vscode-markdownlint