docs: def pages():
      """Load pages."""
      p1 = Page(
          url='/example1',
          title='My page with default template',
          description='my description',
          content='hello default page',
          template_name='invenio_pages/default.html',
      )
      p2 = Page(
          url='/example2',
          title='My page with my template',
          description='my description',
          content='hello my page',
          template_name='app/mytemplate.html',
      )
      with db.session.begin_nested():
          db.session.add(p1)
          db.session.add(p2)
      db.session.commit()