Bring README doctests up-to-date (#215)

Author: angelogladding

README.md

@@ -38,8 +38,10 @@ Parse a file containing HTML:
 >>> mf2json
 {'items': [{'type': ['h-entry'],
             'properties': {'name': ['Hello'],
-                           'content': [{'html': 'Just saying hi.',
-                                        'value': 'Just saying hi.'}]}}],
+                           'content': [{'value': 'Just saying hi.',
+                                        'lang': 'en-us',
+                                        'html': 'Just saying hi.'}]},
+            'lang': 'en-us'}],
  'rels': {},
  'rel-urls': {},
  'debug': {'description': 'mf2py - microformats2 parser for python',

pyproject.toml

@@ -24,6 +24,9 @@ pytest = "^7.2.1"
 black = "^23.3.0"
 isort = "^5.12.0"
 
+[tool.pytest.ini_options]
+doctest_optionflags = "NORMALIZE_WHITESPACE IGNORE_EXCEPTION_DETAIL"
+
 [tool.isort]
 profile = "black"