Changes since HeliBoard 1.2:
- change icons for autocorrect and select all toolbar keys by @codokie (#524, #651)
- add Chuvash layout by @tenextractor (#677)
- add cut toolbar key by @codokie (#678)
- update Probhat layout by @fahimscirex (#628)
- show toolbar icons in toolbar key dialog
- add close button in clipboard history by @codokie (#403, #649)
- add Russian (Student) layout by @Zolax9 (#640)
- make numpad on symbols key long press optional (#588)
- minor fixes and improvements, including #632, #637, #638 by @RHJihan