new strings

iOSClient/Supporting Files/en.lproj/Intro.strings

@@ -19,3 +19,6 @@
 
 "_intro_3_title_"   = "Start";
 "_intro_3_text_"    = "Good, you’re now ready to start using your Nextcloud. We remind you that you can find further information and news or contact us on the site: \n\n https://nextcloud.com \n\n Come and visit us!";
+
+"Skip"              = "Skip";
+"Start"             = "Start";