feat: synced blocks (transclusion) (#2163)

* feat: synced blocks (transclusion)

* fix:remove name

* make placeholders smaller

* feat: enforce strict transclusion schema

* fix: scope synced blocks to workspace, gate unsync on edit permission

* fix collab module error

apps/server/src/collaboration/collaboration.util.ts

@@ -40,6 +40,8 @@ import {
   Status,
   addUniqueIdsToDoc,
   htmlToMarkdown,
+  TransclusionSource,
+  TransclusionReference,
 } from '@docmost/editor-ext';
 import { generateText, getSchema, JSONContent } from '@tiptap/core';
 import { generateHTML, generateJSON } from '../common/helpers/prosemirror/html';
@@ -101,6 +103,8 @@ export const tiptapExtensions = [
   Columns,
   Column,
   Status,
+  TransclusionSource,
+  TransclusionReference,
 ] as any;
 
 export function jsonToHtml(tiptapJson: any) {