fixed instructions for android to a more updated RN version
fixed instructions for android to a more updated RN version

RepairShopr/react-native-signature-capture,katanabe/react-native-signature-capture,katanabe/react-native-signature-capture,RepairShopr/react-native-signature-capture,RepairShopr/react-native-signature-capture,katanabe/react-native-signature-capture