feat(helix): add leader+l keymap to toggle line-number mode

helix/config.toml

@@ -10,6 +10,7 @@ auto-format = true
 trim-trailing-whitespace = true
 insert-final-newline = true
 scrolloff = 5
+
 [editor.cursor-shape]
 normal = "block"
 insert = "bar"
@@ -34,3 +35,7 @@ skip-level = 1
 [editor.file-picker]
 hidden = false
 parents = false
+
+[keys.normal.space.l]
+r = ":set line-number relative"
+a = ":set line-number absolute"