update and enable my todo comment highlighter

lua/conf/autos.lua

@@ -30,12 +30,11 @@ auto("BufWritePre", {
   end
 })
 
--- FIXME: disable for now until I can do more work and make it work better
--- auto({ "BufEnter", "CursorMoved", "CursorMovedI" }, {
--- 	group = bufcheck,
--- 	callback = function()
--- 		core.color.todo_comments()
--- 	end
--- })
+auto({ "BufEnter", "CursorMoved", "CursorMovedI" }, {
+	group = bufcheck,
+	callback = function()
+		core.todo.todo_comments()
+	end
+})
 
 core.color.setup_termbg_sync()