adding date format option

app/mobile/src/constants/Strings.js

@@ -8,6 +8,7 @@ const Strings = [
     sealedTopics: 'Sealed Topics',
     colorMode: 'Color Mode',
     hourMode: 'Hour Format',
+    dateMode: 'Date Format',
     language: 'Language',
     logout: 'Logout',
     changeLogin: 'Change Login',
@@ -28,6 +29,7 @@ const Strings = [
     sealedTopics: 'Sujets Sécurisés',
     colorMode: 'Mode de Couleur',
     hourMode: 'Format d\'Heure',
+    dateMode: 'Format de Date',
     language: 'Langue',
     logout: 'Se Déconnecter',
     changeLogin: 'Changer le Mot de Passe',
@@ -48,6 +50,7 @@ const Strings = [
     sealedTopics: 'Temas Protegidos',
     colorMode: 'Modo de Color',
     hourMode: 'Formato de Hora',
+    dateMode: 'Formato de Fecha',
     language: 'Idioma',
     logout: 'Cerrar Sesión',
     changeLogin: 'Cambiar la contraseña',
@@ -68,6 +71,7 @@ const Strings = [
     sealedTopics: 'Gesicherte Themen',
     colorMode: 'Farmodus',
     hourMode: 'Stundenformat',
+    dateMode: 'Datumsformat',
     language: 'Sprache',
     logout: 'Ausloggen',
     changeLogin: 'Kennwort Aktualisieren',

app/mobile/src/session/settings/Settings.jsx

@@ -50,6 +50,17 @@ export function Settings() {
             </View>
             <View style={styles.control} />
           </TouchableOpacity>
+          <View style={styles.divider} />
+          <TouchableOpacity style={styles.entry} activeOpacity={1}>
+            <View style={styles.icon}>
+              <MatIcons name="calendar-month-outline" size={20} color={Colors.linkText} />
+            </View>
+            <View style={styles.option}>
+              <Text style={styles.optionLink}>{ state.strings.dateMode }</Text>
+            </View>
+            <View style={styles.control} />
+          </TouchableOpacity>
+ 
         </View>
 
         <Text style={styles.label}>{ state.strings.account }</Text>