a bit more readme formatting
a bit more readme formatting

getting to know markdown, added double spaces at the end of lines instead of an empty line.
readable + compact = double space at end of line = </br> 
learning is fun
nieok/cordova-plugin-firebase,nieok/cordova-plugin-firebase,DigitalsunrayMedia/cordova-plugin-firebase,ceisinger/cordova-plugin-firebase,canado/cordova-plugin-firebase,ceisinger/cordova-plugin-firebase,ceisinger/cordova-plugin-firebase,canado/cordova-plugin-firebase,nieok/cordova-plugin-firebase,arnesson/cordova-plugin-firebase,DigitalsunrayMedia/cordova-plugin-firebase,Vying/cordova-plugin-firebase,arnesson/cordova-plugin-firebase,tdachev/cordova-plugin-firebase,Vying/cordova-plugin-firebase,canado/cordova-plugin-firebase,DigitalsunrayMedia/cordova-plugin-firebase,arnesson/cordova-plugin-firebase,krtek1979/cordova-plugin-firebase,krtek1979/cordova-plugin-firebase,arnesson/cordova-plugin-firebase,tdachev/cordova-plugin-firebase,tdachev/cordova-plugin-firebase,Vying/cordova-plugin-firebase,ceisinger/cordova-plugin-firebase