docs(social-sharing): fix example (#1351)
docs(social-sharing): fix example (#1351)

ShareViaEmail parameter for providing email "must be null or an array" because it's type is "string:[]" and the provided syntax is wrong, so i have updated that syntax.
klirix/ionic-native,driftyco/ionic-native,klirix/ionic-native,driftyco/ionic-native,driftyco/ionic-native,klirix/ionic-native