In order to install an extension you need to launch the Command Palette (Ctrl + Shift + P or Cmd + Shift + P) and type Extensions.
There you have either the option to show the already installed snippets or install new ones.
Supported languages (file extensions)
TypeScript React (.tsx)
Below is a list of all available snippets and the triggers of each one. The ⇥ means the TAB key.
arrow function component skeleton
common function component skeleton
arrow function component skeleton with styled-components
common function component skeleton with styled-components