feat(emails): add footer

packages/component-helper-service/src/services/email/templates/partials/footer.hbs

 <div data-role="module-unsubscribe" class="module unsubscribe-css__unsubscribe___2CDlR" role="module" data-type="unsubscribe"
   style="color:#444444;font-size:12px;line-height:20px;padding:16px 16px 16px 16px;text-align:center">
+  <p style="font-family:Arial, Helvetica, sans-serif;font-size:11px;line-height:20px;text-align:left">
+    This email was sent to {{toEmail}}. You have received this email in regards to the account creation, submission, or peer review process of a paper submitted to a journal published by Hindawi Limited.
+  </p>
   <div class="Unsubscribe--addressLine">
-    <p class="Unsubscribe--senderName" style="font-family:Arial, Helvetica, sans-serif;font-size:12px;line-height:20px">Hindawi Limited</p>
-    <p style="font-family:Arial, Helvetica, sans-serif;font-size:12px;line-height:20px">
-      <span class="Unsubscribe--senderAddress">3rd Floor, Adam House, 1 Fitzroy Square</span>,
-      <span class="Unsubscribe--senderCity">London</span>,
-      <span class="Unsubscribe--senderState">United Kingdom</span>
-      <span class="Unsubscribe--senderZip">W1T 5HF</span>
+    <p style="font-family:Arial, Helvetica, sans-serif;font-size:11px;line-height:20px;text-align:left">
+      Hindawi Limited, 3rd Floor, Adam House, 1 Fitzroy Square, London, W1T 5HF, United Kingdom
     </p>
   </div>
+  <p style="font-family:Arial, Helvetica, sans-serif;font-size:11px;line-height:20px;text-align:left">
+  </p>
+  <p style="font-family:Arial, Helvetica, sans-serif;font-size:11px;line-height:20px;text-align:left">
+    Hindawi respects your right to privacy. Please see our <a href="https://www.hindawi.com/privacy/">privacy policy</a> for information on how we store, process, and safeguard your data.
+  </p>
   <p style="font-family:Arial, Helvetica, sans-serif;font-size:12px;line-height:20px">
     <a class="Unsubscribe--unsubscribeLink" href="{{ unsubscribeLink }}">Unsubscribe</a>
   </p>