Autowarmth text formatting (#8262)
Autowarmth text formatting (#8262)

* Wordings; easier translation formatting

* use variable for tab_width (18)

* Add an indent parameter for formatting

poire-z/koreader,koreader/koreader,NiLuJe/koreader,NiLuJe/koreader,Frenzie/koreader,poire-z/koreader,koreader/koreader,Frenzie/koreader