feat(wiki): add Outline utility and wiki sync API

tests/server/api/admin-auth-guards.test.js

@@ -45,6 +45,9 @@ const adminRoutes = {
     'alerts/dismiss.post.js',
     'alerts/dismissed.get.js',
     'alerts/restore.post.js'
+  ],
+  'admin/wiki/': [
+    'wiki/sync.post.js'
   ]
 }
 
@@ -72,7 +75,10 @@ const businessLogicPatterns = [
   'computeAllAlerts(',
   'AdminAlertDismissal.findOneAndUpdate',
   'AdminAlertDismissal.find',
-  'AdminAlertDismissal.deleteMany'
+  'AdminAlertDismissal.deleteMany',
+  'WikiArticle.find',
+  'WikiArticle.findOneAndUpdate',
+  'fetchAllDocuments('
 ]
 
 describe('Admin endpoint auth guards', () => {