feat: enhance markdown preview for backlinks (#8956)

fix AF-1770
fix AF-1771

---

fix: doc link middlewares
feat: markdown renderer
feat: allow multiple backlink for a single doc
feat: showing correct doc ref link
feat: trim long para & ident lists
feat: list indentition fix
feat: database/latext handling
feat: other block types handling
fix: lint

packages/frontend/i18n/src/resources/en.json

@@ -1486,5 +1486,7 @@
   "com.affine.editor.at-menu.import": "Import",
   "com.affine.editor.at-menu.more-docs-hint": "{{count}} more docs",
   "com.affine.editor.at-menu.journal": "Journal",
-  "com.affine.editor.at-menu.date-picker": "Select a specific date"
+  "com.affine.editor.at-menu.date-picker": "Select a specific date",
+  "com.affine.editor.bi-directional-link-panel.show": "Show",
+  "com.affine.editor.bi-directional-link-panel.hide": "Hide"
 }