added feature to relocate stocks to a different storage

...had to deal with form prefixes at some places
...storage search does not work as expected yet :(

shimatta_kenkyusho/templates/parts/modals/update-stock-modal.html

@@ -55,6 +55,12 @@ needs following context:
                             <input type="submit" class="btn btn-primary" name="submit-edit-lot" value="Update Lot">
                         </div>
                     </form>
+                    <form method="post">
+                        {% csrf_token %}
+                        <input type="hidden" name="prefix" value="{{relocate_form.prefix}}">
+                        {{ relocate_form|crispy }}
+                        <input type="submit" class="btn btn-warning" name="submit-relocate-stock" value="Relocate Stock">
+                    </form>
                 </div>
             </div>
         </div>