feat: check and uncheck checkboxes

init.lua

@@ -0,0 +1 @@
+require("toggle-checkbox")

lua/toggle-checkbox.lua

@@ -0,0 +1,13 @@
+local checked_character = "x"
+
+local M = {}
+
+M.check = function(line)
+	return line:gsub("%[ %]", "[" .. checked_character .. "]")
+end
+
+M.uncheck = function(line)
+	return line:gsub("%[" .. checked_character .. "%]", "[]")
+end
+
+return M