class_docstr: This custom Renderer is heavily based on the `MarkdownRenderer`,
  it just prepends a front matter so that the output can be published
  directly to readme.io.
class_docstr_tok: ["This","custom","Renderer","is","heavily","based","on","the","`","MarkdownRenderer","`",",","it","just","prepends","a","front","matter","so","that","the","output","can","be","published","directly","to","readme.io","."]
code: def init(self, context: Context) -> None:
      self.markdown.init(context)
      self.version = self._doc_version()
      self.categories = self._readme_categories(self.version)
  
imports: import os
  import sys
  import io
  import dataclasses
  import typing
  import base64
  import warnings
  from pathlib import Path
  import requests
  import docspec
  from pydoc_markdown.interfaces import Context, Renderer
  from pydoc_markdown.contrib.renderers.markdown import MarkdownRenderer
label_desc: Use image node_id 1 for calling the ReadmeRenderer obj's underlying member method code with example usage: obj.init(context) without return types