Add Blossom server URL to global settings

app/views/admin/settings/services/_nostr.html.erb

@@ -29,6 +29,11 @@
         title: "Relay URL",
         description: "Websockets URL of a relay associated with #{Setting.primary_domain}"
       ) %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :nostr_blossom_server_url,
+        title: "Blossom server URL",
+        description: "HTTP URL of the Blossom media server to add to users' server lists during onboarding"
+      ) %>
 </ul>
 </section>
 

app/views/settings/_nostr.html.erb

@@ -35,7 +35,10 @@
       <li>Receive zaps in your Lightning account</li>
       <% end %>
       <% if Setting.nostr_relay_url.present? %>
-      <li>Publish notes on <%= link_to "our relay", Setting.nostr_relay_url_http, class: "ks-text-link", target: "_blank" %></li>
+      <li>Publish notes and other stuff on our Nostr relay</li>
+      <% end %>
+      <% if Setting.nostr_blossom_server_url.present? %>
+      <li>Publish media files on our Nostr media server</li>
       <% end %>
     </ul>
     <% end %>