added parent folder creation for tmpfile

src/readability

@@ -4,6 +4,8 @@ import codecs, os
 from readability.readability import Document
 
 tmpfile=os.path.expanduser('~/.local/share/qutebrowser/userscripts/readability.html')
+if not os.path.exists(os.path.dirname(tmpfile)):
+        os.makedirs(os.path.dirname(tmpfile))
 
 with codecs.open(os.environ['QUTE_HTML'], 'r', 'utf-8') as source:
     doc = Document(source.read())