v3.4.0

• New global API. (docs). the old ref method should still work, no breaking change.
• Web: fix scroll issue (by #174)
• Fix button inside toast not clickable on Android (by #162 )
• Added ToastOptions to exports (by #166)
• Fix side of toast are not clickable (by #168)
• Access isOpen method with typescript (by #169 )
• Upgrade example app to use Expo 49 (by #175)
• fix issue with notch devices (by #167)
• Web: add user-select: none to fix swipe