Add registration link to member login page

Help new users find the registration form when they land on the login page.
Also center the login page titles for better visual balance.

Author: thibaudgg

app/views/members/sessions/new.html.erb

@@ -1,4 +1,4 @@
-<h1 class="mb-4"><%= t(".title") %></h1>
+<h1 class="mb-4 text-center"><%= t(".title") %></h1>
 
 <div class="mt-2 text-justify">
   <p><%= t(".text", features: member_features_sentence) %></p>
@@ -14,3 +14,7 @@
     </div>
   <% end %>
 </div>
+
+<p class="mt-12 text-center text-sm text-gray-600 dark:text-gray-400">
+  <%= t(".no_account_html", link: link_to(t(".register_link"), new_members_member_path)) %>
+</p>

app/views/sessions/new.html.erb

@@ -1,5 +1,5 @@
 <div class="panel mt-2">
-  <div class="panel-title pb-1 text-2xl">
+  <div class="panel-title pb-1 text-center text-2xl">
     <h1><%= set_page_title t(".title") %></h1>
   </div>
 

config/locales/members.yml

@@ -1412,6 +1412,18 @@ _:
           _de: Der Zugang zu Ihrem Konto erfolgt ohne Passwort über einem Anmeldelink. Dieser Link wird Ihnen über das untenstehende Formular per E-Mail zugestellt.
           _it: La connessione non richiede una password. Puoi connetterti richiedendo il link di connessione con il modulo sottostante (che verrà inviato al tuo indirizzo email).
           _nl: Toegang tot uw account is wachtwoordvrij via een inloglink. Deze link wordt naar u gestuurd via e-mail met behulp van onderstaand formulier.
+        no_account_html:
+          _en: Don't have an account yet? %{link}
+          _fr: Pas encore de compte? %{link}
+          _de: Noch kein Konto? %{link}
+          _it: Non hai ancora un account? %{link}
+          _nl: Nog geen account? %{link}
+        register_link:
+          _en: Register here
+          _fr: Inscrivez-vous ici
+          _de: Hier registrieren
+          _it: Registrati qui
+          _nl: Registreer hier
         submit:
           _en: Send
           _fr: Envoyer