🫙 List all container names

[bartveneman]

Based on @mirisuzanne's talk on CSS Day 2023:

• names need conventions, so you'll probably want to audit which container names are present on your site
• container names can be defined in the container shorthand

[bartveneman]

beta.syntax.fm actually uses containers, so can be used for testing

[bartveneman]

Related: csstree/csstree#174

[bartveneman]

Work in progress for reading declared and comsumed container names: https://stackblitz.com/edit/stackblitz-starters-umuh7n?file=index.js,csstree-fork.js

Using Svelte's fork stuff to parse container queries.