add new text teg for translation

assets/values-en/strings.xml

@@ -113,4 +113,5 @@ To improve barcode scanning quality, adjust the distance between the camera and
   <string name="joys">Joys on account</string>
   <string name="joys_minus">Joys was charged</string>
   <string name="joys_hint">Joys to charge</string>
+  <string name="phone">Phone</string>
 </resources>

assets/values-es/strings.xml

@@ -109,4 +109,5 @@ Hay que poner el dibujo del codigo de tarjeta en cámara del escanear totalmente
   <string name="joys">Joys a cuenta</string>
   <string name="joys_minus">Joys fueron insumido</string>
   <string name="joys_hint">¿Cuántas Joys hay que insumir?</string>
+  <string name="phone">Número de teléfono</string>
 </resources>

assets/values-ru/strings.xml

@@ -112,4 +112,5 @@
   <string name="joys">Joys на счету</string>
   <string name="joys_minus">Joys было списано</string>
   <string name="joys_hint">Joys списать</string>
+  <string name="phone">Телефон</string>
 </resources>

assets/values-ua/strings.xml

@@ -114,4 +114,5 @@
   <string name="joys">Joys на рахунку</string>
   <string name="joys_minus">Joys списано</string>
   <string name="joys_hint">Скільки Joys списати?</string>
+  <string name="phone">Телефон</string>
 </resources>

lib/strings.dart

@@ -148,4 +148,5 @@ class StringsLocalization {
   static String joys() => strings['joys'];
   static String joysMinus() => strings['joys_minus'];
   static String joysHint() => strings['joys_hint'];
+  static String phone() => strings['phone'];
   }