Add lndhub info to admin user page

app/views/admin/users/show.html.erb

@@ -56,7 +56,34 @@
       </tbody>
     </table>
   </section>
+
+  <% if Setting.lndhub_admin_enabled? %>
+  <section>
+    <h3>LndHub</h3>
+    <% if @lndhub_user %>
+    <table>
+      <thead>
+        <tr>
+          <th>Account</th>
+          <th>Balance</th>
+          <th>Incoming</th>
+          <th>Outgoing</th>
+          <th>Fees</th>
+        </tr>
+      </thead>
+      <tbody>
+        <tr>
+          <td><%= @user.ln_account %></td>
+          <td><%= number_with_delimiter @lndhub_user.balance %> sats</td>
+          <td><%= number_with_delimiter @lndhub_user.sum_incoming %> sats</td>
+          <td><%= number_with_delimiter @lndhub_user.sum_outgoing %> sats</td>
+          <td><%= number_with_delimiter @lndhub_user.sum_fees %> sats</td>
+        </tr>
       </tbody>
     </table>
+    <% else %>
+      <p>No LndHub user found for account <strong class="font-mono"><%= @user.ln_account %></strong>.
+    <% end %>
   </section>
+  <% end %>
 <% end %>