Added total donation amount to donor overview

ref #133

src/components/donors/DonorsOverview.svelte

@@ -77,6 +77,11 @@
                 class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                 {$_('total-donation-amount')}
               </th>
+              <th
+                scope="col"
+                class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
+                {$_('total-paid-amount')}
+              </th>
               <th scope="col" class="relative px-6 py-3">
                 <span class="sr-only">{$_('action')}</span>
               </th>
@@ -145,6 +150,11 @@
                       .toFixed(2)
                       .toLocaleString('de-DE', { valute: 'EUR' })}€
                   </td>
+                  <td class="px-6 py-4 whitespace-nowrap">
+                    {(donor.paidDonationAmount / 100)
+                      .toFixed(2)
+                      .toLocaleString('de-DE', { valute: 'EUR' })}€
+                  </td>
                   {#if active_deletes[donor.id] === true}
                     <td
                       class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">