feat(editor): add experimental feature citation (#11984)

Closes: [BS-3122](https://linear.app/affine-design/issue/BS-3122/footnote-definition-adapter-适配)
Closes: [BS-3123](https://linear.app/affine-design/issue/BS-3123/几个-block-card-view-适配-footnote-态)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit

- **New Features**
  - Introduced a new citation card component and web element for displaying citations.
  - Added support for citation-style rendering in attachment, bookmark, and linked document blocks.
  - Enabled citation parsing from footnote definitions in markdown for attachments, bookmarks, and linked docs.
  - Added a feature flag to enable or disable citation features.
  - Provided new toolbar logic to disable downloads for citation-style attachments.

- **Improvements**
  - Updated block models and properties to support citation identifiers.
  - Added localization and settings for the citation experimental feature.
  - Enhanced markdown adapters to recognize and process citation footnotes.
  - Included new constants and styles for citation card display.

- **Bug Fixes**
  - Ensured readonly state is respected in block interactions and rendering for citation blocks.

- **Documentation**
  - Added exports and effects for new citation components and features.

- **Tests**
  - Updated snapshots to include citation-related properties in block data.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/all/src/adapters/markdown/block-matcher.ts

@@ -1,3 +1,4 @@
+import { AttachmentBlockMarkdownAdapterExtension } from '@blocksuite/affine-block-attachment';
 import { BookmarkBlockMarkdownAdapterExtension } from '@blocksuite/affine-block-bookmark';
 import { CodeBlockMarkdownAdapterExtension } from '@blocksuite/affine-block-code';
 import { DatabaseBlockMarkdownAdapterExtension } from '@blocksuite/affine-block-database';
@@ -38,4 +39,5 @@ export const defaultBlockMarkdownAdapterMatchers = [
   DividerBlockMarkdownAdapterExtension,
   ImageBlockMarkdownAdapterExtension,
   LatexBlockMarkdownAdapterExtension,
+  AttachmentBlockMarkdownAdapterExtension,
 ];

blocksuite/affine/all/src/effects.ts

@@ -21,6 +21,7 @@ import { BlockSelection } from '@blocksuite/affine-components/block-selection';
 import { BlockZeroWidth } from '@blocksuite/affine-components/block-zero-width';
 import { effects as componentCaptionEffects } from '@blocksuite/affine-components/caption';
 import { effects as componentCardStyleDropdownMenuEffects } from '@blocksuite/affine-components/card-style-dropdown-menu';
+import { effects as componentCitationEffects } from '@blocksuite/affine-components/citation';
 import { effects as componentColorPickerEffects } from '@blocksuite/affine-components/color-picker';
 import { effects as componentContextMenuEffects } from '@blocksuite/affine-components/context-menu';
 import { effects as componentDatePickerEffects } from '@blocksuite/affine-components/date-picker';
@@ -154,6 +155,7 @@ export function effects() {
   componentEmbedCardModalEffects();
   componentLinkPreviewEffects();
   componentLinkedDocTitleEffects();
+  componentCitationEffects();
   componentCardStyleDropdownMenuEffects();
   componentHighlightDropdownMenuEffects();
   componentViewDropdownMenuEffects();