docstr: create HTML Body Footer
  
  Args:
      text (str): Footer Text
  Returns: HTML String
code: def create_body_footer(text: str):
      """
      create HTML Body Footer
  
      Args:
          text (str): Footer Text
      Returns: HTML String
      """
      doc = Doc()
      with doc.tag("footer"):
          with doc.tag("i"):
              doc.text(text)
      return doc.getvalue()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import datetime
  from yattag import Doc, indent
label_desc: Use image node_id 28 for calling the CustomHtml obj's underlying member method code with example usage: obj.create_body_footer(text) and returns: doc