Version 2024.02.26

• fix no updated time in rss style page sometimes
• fix Chinese garbled code in logs
• Fix issue of showing the same updated date
• simplified date format
• update footer
• add new enviroments
  • default_update_frequency
  • default_max_posts
• add help_text
• add max_posts
• add last_updated and last_pull fields
• add etag to header