v1.8.0

🎉 Hello world, I'm a new release for better work!

1. Fix reading time was incorrect for CJK words (#20) .
2. Add some article-related functions.
3. Change the default article excerpt size.
4. Better blockquote style for dark mode.
5. Better gitment style in dark mode.
6. Add excerpt_size option to config.yml.
7. Fix invalid language flags.
8. Fix wrong relative url of post tag in pagination (#31).
9. Fix footer/menu popup colours (#33).
10. Fix text color of header on mobile (#38).
11. Better post excerpt and styles of pagination.
12. Update default font family.
13. Support to customize the brand color.
14. Fix hash locating of CJK heading isn't working (#44).
15. Add img tag of banner for SEO.
16. Support banner default settings.
17. Support video banner.
18. Fix video banner is not working in Safari (#47).
19. Better banner title and subtitle styles on mobile devices.

Welcome to update to this version!