added storageLocation property to items

Additions:
- added storageLocation property to classes
- added storageLocation field to template
- added localization

Changes:
- changed default values for item string properties to "-"

Fixes:
- fixed CSS side-property flex properties
  such that new text field is properly shown
- fixed for="..." setting for item's data.price label

src/templates/item/partials/description.hbs

@@ -4,12 +4,16 @@
             <label for="data.quantity">{{localize "DS4.Quantity"}}</label>
             <input type="number" data-dtype="Number" name="data.quantity" value="{{data.quantity}}" />
         </div>
+        <div class="side-property">
+            <label for="data.storageLocation">{{localize "DS4.StorageLocation"}}</label>
+            <input type="text" data-dtype="String" name="data.storageLocation" value="{{data.storageLocation}}" />
+        </div>
         <div class="side-property">
             <label for="data.price">{{localize "DS4.PriceGold"}}</label>
             <input type="number" data-dtype="Number" name="data.price" value="{{data.price}}" />
         </div>
         <div class="side-property">
-            <label for="data.price">{{localize "DS4.ItemAvailability"}}</label>
+            <label for="data.availability">{{localize "DS4.ItemAvailability"}}</label>
             <select name="data.availability" data-type="String">
                 {{#select data.availability}}
                 {{#each config.itemAvailabilities as |value key|}}
@@ -18,7 +22,6 @@
                 {{/select}}
             </select>
         </div>
-
     </div>
     {{editor content=data.description target="data.description" button=true owner=owner editable=editable}}
 </div>