Updated README.md to show the support for iOS 6+
Updated README.md to show the support for iOS 6+
tectronik/cordova-plugin-file-opener2-tectronik,salilsethi/cordova-plugin-file-opener2,siegfriedbolz/cordova-plugin-file-opener2,napolitano/cordova-plugin-file-opener3,471685249/cordova-plugin-file-opener2,471685249/cordova-plugin-file-opener2,josemanuelbd/cordova-plugin-file-opener2,AnkRaiza/cordova-plugin-config-reader,pwlin/cordova-plugin-file-opener2,tectronik/cordova-plugin-file-opener2-tectronik,break24/cordova-plugin-file-opener2,marceldurchholz/bb180scanner,marceldurchholz/bb180scanner,pwlin/cordova-plugin-file-opener2,napolitano/cordova-plugin-file-opener3,471685249/cordova-plugin-file-opener2,josemanuelbd/cordova-plugin-file-opener2,AnkRaiza/cordova-plugin-config-reader,siegfriedbolz/cordova-plugin-file-opener2,break24/cordova-plugin-file-opener2,napolitano/cordova-plugin-file-opener3,tectronik/cordova-plugin-file-opener2-tectronik,salilsethi/cordova-plugin-file-opener2,josemanuelbd/cordova-plugin-file-opener2,AnkRaiza/cordova-plugin-config-reader,salilsethi/cordova-plugin-file-opener2