Update confirm email template, add plaintext link. Fixes #5375

resources/views/emails/confirm_email.blade.php

@@ -11,6 +11,12 @@ Confirm Email
 
 <p>This link expires after 24 hours.</p>
 <br>
+<small>
+  If the link above is not working, please copy the following address into your web browser:
+  <br><br>
+  {{ $verify->url() }}
+</small>
+<br><br>
 
 Thanks,<br>
 <a href="{{ config('app.url') }}">{{ config('pixelfed.domain.app') }}</a>