Neutralize and send correct site title

app/views/devise/registrations/new.html.erb

-<%= content_for :title, t('.title') %>
+<%= content_for :title, t('.title', title: current_extranet.present? ? current_extranet.name : 'Osuny') %>
 
 <h2 class="mb-4"><%= t(".sign_up") %></h2>
 

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

-<%= content_for :title, t('.title') %>
+<%= content_for :title, t('.title', title: current_extranet.present? ? current_extranet.name : 'Osuny') %>
 
 <div class="row">
   <div class="col-md-6 mb-5">

config/locales/devise.en.yml

@@ -12,10 +12,10 @@ en:
       edit:
         title: Account edition
       new: 
-        title: Register on Osuny
+        title: "Register - %{title}"
     sessions:
       new:
-        title: Welcome to Osuny
+        title: "Welcome - %{title}"
     two_factor_authentication:
       max_login_attempts_reached:
         title: Maximul login attemps reached

config/locales/devise.fr.yml

@@ -12,10 +12,10 @@ fr:
       edit:
         title: Modification de votre compte
       new: 
-        title: Inscription sur Osuny
+        title: "Inscription - %{title}"
     sessions:
       new:
-        title: Bienvenue sur Osuny
+        title: "Bienvenue - %{title}"
     two_factor_authentication:
       max_login_attempts_reached:
         title: Maximum d'essais atteint