Change keyboard type for product code

Author: Nicolas

app/pages/home/home.html

@@ -13,7 +13,7 @@
   <ion-list inset>
     <ion-item class="item-flat">
       <ion-label floating class="label-big">Code produit</ion-label>
-      <ion-input [(ngModel)]="productCode" (keyup)="handleSearch()" (keydown.enter)="getProduct()" type="text" class="input-big"></ion-input>
+      <ion-input [(ngModel)]="productCode" (keyup)="handleSearch()" (keydown.enter)="getProduct()" type="tel" class="input-big"></ion-input>
     </ion-item>
   </ion-list>
   <button fab janari fab-bottom fab-center class="fab-footer" (click)="scan()">