v1.9.0 Guitar

✨ Features

• add some options in slides configuration (9a3bd2e)
• comment: add vssue comment system (#302) (e49a2b2)

docs will be updated soon.

🐛 Bug Fixes

• decodeURL -> decodeURI (6929e58)
• image witdh can't fit the content (cbb36bf), closes #285
• unexpected navbar menu (b9627a7), closes #291
• URL display problem in some environments (#284) (355b021)