feature: enable gesture to change emoji category with horizontal swipe gesture

[pierre275]

Description

This pr adds new props enableCategoryChangeGesture which let user to change category with horizontal swipe

How to test

Follow provided documentation and check added usage example

[mateki0]

Great feature, but it needs a little tuning to be included. For a better user experience, the category Indicator should be moved during scroll as well. If you need more details please let me know 😃

I've added this feature in the latest commit

[jakex7]

Thanks @pierre275 @mateki0, It's so great that i've enabled it by default 🚀