Update livecarta_config.py with processing changes

src/epub_converter/html_epub_preprocessor.py

@@ -198,7 +198,7 @@ def _remove_headings_content(content_tag, title_of_chapter: str):
         text = tag if isinstance(tag, NavigableString) else tag.text
         if re.sub(r"[\s\xa0]", "", text):
             text = re.sub(r"[\s\xa0]", " ", text).lower()
-            text = text.strip() # delete extra spaces
+            text = text.strip()   # delete extra spaces
             if title_of_chapter == text or \
                     (title_of_chapter in text and
                      re.findall(r"^h[1-3]$", tag.name or content_tag.name)):