Make Drone CI configurable

app/models/setting.rb

@@ -51,6 +51,16 @@ class Setting < RailsSettings::Base
   field :discourse_connect_secret, type: :string,
     default: ENV["DISCOURSE_CONNECT_SECRET"].presence
 
+  #
+  # Drone CI
+  #
+
+  field :droneci_public_url, type: :string,
+    default: ENV["DRONECI_PUBLIC_URL"].presence
+
+  field :droneci_enabled, type: :boolean,
+    default: (ENV["DRONECI_PUBLIC_URL"].present?.to_s || false)
+
   #
   # ejabberd
   #

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

@@ -0,0 +1,16 @@
+<h3>Drone CI</h3>
+<ul role="list">
+  <%= render FormElements::FieldsetToggleComponent.new(
+    form: f,
+    attribute: :droneci_enabled,
+    enabled: Setting.droneci_enabled?,
+    title: "Enable Drone CI integration",
+    description: "Drone CI configuration present and features enabled"
+  ) %>
+  <% if Setting.droneci_enabled? %>
+    <%= render FormElements::FieldsetResettableSettingComponent.new(
+          key: :droneci_public_url,
+          title: "Public URL"
+        ) %>
+  <% end %>
+</ul>

app/views/shared/_admin_sidenav_settings_services.html.erb

@@ -5,6 +5,13 @@
   icon: Setting.discourse_enabled? ? "check" : "x",
   active: current_page?(admin_settings_services_path(params: { s: "discourse" })),
 ) %>
+<%= render SidenavLinkComponent.new(
+  level: 2,
+  name: "Drone CI",
+  path: admin_settings_services_path(params: { s: "droneci" }),
+  icon: Setting.droneci_enabled? ? "check" : "x",
+  active: current_page?(admin_settings_services_path(params: { s: "droneci" })),
+) %>
 <%= render SidenavLinkComponent.new(
   level: 2,
   name: "ejabberd",