refactor(markdown): add space for empty checkboxes

README.md

@@ -23,16 +23,16 @@ Here's an example of what it looks like:
 
 Users should be able to:
 
-- [] View the optimal layout for the app depending on their device's screen size
+- [ ] View the optimal layout for the app depending on their device's screen size
 - [x] See hover states for all interactive elements on the page
 - [x] Add new todos to the list
 - [x] Mark todos as complete
 - [x] Delete todos from the list
 - [x] Filter by all/active/complete todos
 - [x] Clear all completed todos
 - [x] Toggle light and dark mode
-- **[] Bonus**: Drag and drop to reorder items on the list
-- **[] Bonus**: Build this project as a full-stack application
+- **[ ] Bonus**: Drag and drop to reorder items on the list
+- **[ ] Bonus**: Build this project as a full-stack application
 
 ### Built with