Run "pretty" (partially)

[andreibancioiu]

Currently, we have:

{
    "singleQuote": false,
    "trailingComma": "all",
    "tabWidth": 4,
    "printWidth": 120
}

Extensions:

• https://marketplace.visualstudio.com/items?itemName=EditorConfig.EditorConfig
• https://marketplace.visualstudio.com/items?itemName=esbenp.prettier-vscode

Extra references:

• https://prettier.io/docs/en/integrating-with-linters.html