feat: page version history improvements (#1925)

* Refactor: use queue for page history

* feat: save multiple version contributors

* display contributor avatars in history list

* fix interval

apps/server/src/database/migrations/20260209T120000-add-contributor-ids-to-page-history.ts

@@ -0,0 +1,15 @@
+import { type Kysely, sql } from 'kysely';
+
+export async function up(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .alterTable('page_history')
+    .addColumn('contributor_ids', sql`uuid[]`, (col) => col.defaultTo('{}'))
+    .execute();
+}
+
+export async function down(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .alterTable('page_history')
+    .dropColumn('contributor_ids')
+    .execute();
+}