Instead of using the matched string, this PR uses the actual sliced
content from the ProseMirror document range as the content when creating
the footnote node.
Continues the work done on
https://github.com/discourse/discourse/pull/30815.
Adds a `footnote` node, parser, `^[inline]` input rule, toolbar button
item, and serializer.
Also adds a NodeView with an internal ProseMirror editor to edit the
footnote content.
1. remove the margin (it's displayed inline with text, so having a left
margin didn't make sense)
2. use em unit in min-height
3. slighty tighten the button (inline padding 0.5em -> 0.4em) so it's
more proportional
Stylelint is a css linter: https://stylelint.io/
As part of this change we have added two javascript scripts:
```
pnpm lint:css
pnpm lint:css:fix
```
Look at `.vscode/settings.json.sample` and `.vscode/extensions.json` for
configuration in VSCode.
---------
Co-authored-by: Joffrey JAFFEUX <j.jaffeux@gmail.com>
`discourse-common` was created in the past to share logic between the
'wizard' app and the main 'discourse' app. Since then, the wizard has
been consolidated into the main app, so the separation of
`discourse-common` is no longer useful.
This commit moves `discourse-common/(lib|utils)/*` into
`discourse/lib/*`, adds shims for the imports, and updates existing
uses in core.