feat(auth): enhance user registration with names and improve UI

- Add first_name and last_name fields to User model with validations
- Configure Devise registrations controller to accept name parameters
- Update registration form with name fields and improved styling
- Replace Twitter Bootstrap pagination with custom Tailwind components
- Add French locale translations for pagination and models
- Update header styling with responsive design improvements
- Add EditorConfig for consistent code formatting
- Fix logout controller URL handling and improve JavaScript
- Update seed data and test fixtures with name attributes
- Add comprehensive model tests for name validations
- Add test.sh script for easier test execution

💘 Generated with Crush
Co-Authored-By: Crush <crush@charm.land>

app/views/kaminari/_paginator.html.erb

@@ -0,0 +1,27 @@
+<%# The container tag
+  - available local variables
+    current_page:  a page object for the currently displayed page
+    total_pages:   total number of pages
+    per_page:      number of items to fetch per page
+    remote:        data-remote
+    paginator:     the paginator that renders the pagination tags inside
+-%>
+<%= paginator.render do -%>
+  <nav class="flex justify-center mt-8 mb-4" role="navigation" aria-label="pager">
+    <ul class="flex flex-wrap items-center justify-center gap-2">
+      <%= first_page_tag unless current_page.first? %>
+      <%= prev_page_tag unless current_page.first? %>
+      <% each_page do |page| -%>
+        <% if page.display_tag? -%>
+          <%= page_tag page %>
+        <% elsif !page.was_truncated? -%>
+          <%= gap_tag %>
+        <% end -%>
+      <% end -%>
+      <% unless current_page.out_of_range? %>
+        <%= next_page_tag unless current_page.last? %>
+        <%= last_page_tag unless current_page.last? %>
+      <% end %>
+    </ul>
+  </nav>
+<% end -%>