add default user signatures

app/views/profile/index.html.erb

@@ -21,6 +21,14 @@
         <%= f.button button_title(title: 'Update', disabled_with: 'Updating'), class: 'base-button' %>
       </div>
     <% end %>
+    <p class="text-2xl font-bold mt-8 mb-4">Signature</p>
+    <% signature = UserConfigs.load_signature(current_user) %>
+    <% if signature %>
+      <div class="flex justify-center mb-4">
+        <img src="<%= signature.url %>" style="max-height: 200px; width: auto" width="<%= signature.metadata['width'] %>" height="<%= signature.metadata['height'] %>">
+      </div>
+    <% end %>
+    <a href="<%= edit_user_signature_path %>" data-turbo-frame="modal" class="base-button w-full">Update Signature</a>
     <p class="text-2xl font-bold mt-8 mb-4">Change Password</p>
     <%= form_for current_user, url: update_password_settings_profile_index_path, method: :patch, html: { autocomplete: 'off', class: 'space-y-4' } do |f| %>
       <div class="form-control">