Automatically Execute Commands on Save in VS Code

Tasks: https://code.visualstudio.com/docs/editor/tasks

# `tl;dr`

I needed to enable markdown formatting on save using `remark`: https://github.com/remarkjs/vscode-remark

This post looked good but it requires installing _another_ plugin ...
https://medium.com/better-programming/automatically-execute-bash-commands-on-save-in-vs-code-7a3100449f63
https://marketplace.visualstudio.com/items?itemName=emeraldwalk.RunOnSave
I prefer the stock approach even if it's a couple of extra steps.