Add simple style support

[Kikobeats]

Hey, @SaraVieira

Loving this project! I would like to ask you if you are open to supporting a minimal line style, something like:

🙂

[SaraVieira]

Hey!

Glad you enjoying the project! 😊

That looks like a super idea! I will do that tomorrow morning 👌

[SaraVieira]

Hello !

This has been added in version 1.1.0
https://github.com/SaraVieira/react-social-sharing/releases/tag/v1.1.0

Demo: https://react-social-sharing.now.sh/#/twitter

[Kikobeats]

Awesome ✨