v1.2.0

• Add groups (issue #1)
• Allow to filter novels from the search field (issue #1)
• Don't reload list if it's already loading (issue #10)
• Only embed woff2 format for Font Awesome to reduce package size by 70% (500 kB)
• Don't reload the whole reading list when marking a chapter as read (issue #3)
• Fix slow popup when having many novels (issue #9)
• Use input instead of select for manual reading lists (issue #11)
• Remove scroll from settings page with many novels
• Don't force popup width
• Migrate front-end to Vue.js