These are the extensions I have installed as of 12/23/2019:
- Apache Conf Snippets
- Apache Conf
- Auto Comment Blocks
- Auto Rename Tag
- Babel JavaScript
- behatComplete
- Better TOML
- Bracket Pair Colorizer 2
- CodeMetrics
- Composer
- Debugger for Chrome
- Docker
- DotENV
- Drupal 8 Snippets
- Drupal 8 Twig Snippets
- Drupal Syntax Highlighting
- EditorConfig for VS Code
- ES7 React/Redux/GraphQL/React-Native snippets
- ESLint
- Eva Theme
- Favorites
- Github Markdown Preview
- gitignore
- GitLens — Git supercharged
- Handlebars
- jQuery Code Snippets
- Markdown Checkboxes
- Markdown Checkboxes
- Markdown PDF
- Markdown Preview Github Styling
- markdownlint
- Material Theme
- Mustache
- Night Owl
- npm Intellisense
- npm
- Old-Style ASCII Property Lists
- One Dark Pro
- Output Colorizer
- Peacock
- PHP Debug
- PHP DocBlocker
- PHP Extension Pack
- PHP Intellisense
- phpcs
- Prettier - Code formatter
- Python
- Reactjs code snippets
- reStructuredText
- SCSS IntelliSenses
- Snippets and Syntax Highlight for Gherkin (Cucumber)
- Sort lines
- Spell Right
- Sublime Text Keymap and Settings Importers
- SVG
- Terminal
- Twig Language 2
- TWIG pack
- Twig
- vscode-styled-components
- YAML
I also followed an earlier version of this to get all the code style and Intellisense stuff setup: https://www.drupal.org/docs/develop/development-tools/configuring-visual-studio-code