ned: simple text editor written in nim

based on kilo: https://viewsourcecode.org/snaptoken/kilo

Key mapping

Key	Description
Ctrl-H	Move left
Ctrl-J	Move down
Ctrl-K	Move up
Ctrl-L	Move right
Ctrl-F	Move to next page
Ctrl-B	Move to previous page
Ctrl-W	Save file
Ctrl-S	Search word
Ctrl-Q	Terminate editor