Version 2.8.0

✨ Add FileInput element and other minor changes

• ✨ The FileInput element is now supported (thanks, @michaelbudgell)
• ✨ Added isExpandable parameter to the Accordion component to pass in a function that dictates whether or not to display/hide the expand button (thanks, @tanguyantoine)
• ✨ Add altText as a prop for Video block (thanks, @soominchun)
• ✨ Add multiline as a prop for TextInput element (thanks, @carlovsk)
• 🐛 Fix typing issues (thanks, @tanguyantoine)
• 🐛 Fix issue with source not being added to the File block