old_contents: from flask_wiki.backend.backend import api
  from flask_wiki.backend.views import PageView
  
  api.add_resource(PageView, '/pages-list', endpoint='pages-list')
new_contents: from flask_wiki.backend.backend import api
  from flask_wiki.backend.views import PageView, PageDetail
  
  api.add_resource(PageView, '/pages-list', endpoint='pages-list')
  api.add_resource(PageDetail, '/pages/<slug>', endpoint='page-detail')
subject: Support for page-detail url added.