Refactor admin settings, add all service settings

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

@@ -0,0 +1,40 @@
+<h3>Lightning Network</h3>
+<ul role="list">
+  <%= render FormElements::FieldsetToggleComponent.new(
+    form: f,
+    attribute: :lndhub_enabled,
+    enabled: Setting.lndhub_enabled?,
+    title: "Enable LNDHub integration",
+    description: "LNDHub configuration present and wallet features enabled"
+  ) %>
+  <% if Setting.lndhub_enabled? %>
+    <%= render FormElements::FieldsetComponent.new(title: "API URL") do %>
+      <%= f.text_field :lndhub_api_url,
+        tag: "li",
+        value: Setting.lndhub_api_url,
+        class: "w-full", disabled: true %>
+    <% end %>
+  <% end %>
+  <%= render FormElements::FieldsetToggleComponent.new(
+    form: f,
+    attribute: :lndhub_admin_enabled,
+    enabled: Setting.lndhub_admin_enabled?,
+    title: "Enable LNDHub admin panel",
+    description: "LNDHub database configuration present and admin panel enabled"
+  ) %>
+  <%= render FormElements::FieldsetToggleComponent.new(
+    form: f,
+    attribute: :lndhub_keysend_enabled,
+    enabled: Setting.lndhub_keysend_enabled?,
+    title: "Enable keysend payments",
+    description: "Allow users to receive invoice-less payments to their Lightning Address"
+  ) %>
+  <% if Setting.lndhub_keysend_enabled? %>
+    <%= render FormElements::FieldsetComponent.new(title: "Public key", description: "The public key of the Lightning node used by LNDHub") do %>
+      <%= f.text_field :lndhub_public_key,
+        tag: "li",
+        value: Setting.lndhub_public_key,
+        class: "w-full", disabled: true %>
+    <% end %>
+  <% end %>
+</ul>