📚 DOCS: Update the example (#229)

Co-authored-by: Chris Sewell <chrisj_sewell@hotmail.com>

README.md

@@ -55,10 +55,9 @@ from mdit_py_plugins.front_matter import front_matter_plugin
 from mdit_py_plugins.footnote import footnote_plugin
 
 md = (
-    MarkdownIt()
+    MarkdownIt('commonmark' ,{'breaks':True,'html':True})
     .use(front_matter_plugin)
     .use(footnote_plugin)
-    .disable('image')
     .enable('table')
 )
 text = ("""