Please add properties to customize text in wheel

[Pratik-GoBillion]

please add more text properties like color, size to customize text in wheel

below pull request seems to have fixes to change text size if it can be reviewed and merged please
#27

[JeffLin36953695]

bellow are the steps to customize text size:

1.add maven { url 'https://jitpack.io' } at settings.gradle
2.add implementation 'com.github.alirezaafkar:LuckyWheel_Android:0.5.0' at build.gradle in dependencies
3.go to layout.xml and create a LuckyWheel View
4.use app:text_size to set the text size