Add configurable settings for BTCPay

app/models/setting.rb

@@ -38,6 +38,22 @@ class Setting < RailsSettings::Base
   field :sentry_enabled, type: :boolean, readonly: true,
     default: (ENV["SENTRY_DSN"].present?.to_s || false)
 
+  #
+  # BTCPay Server
+  #
+
+  field :btcpay_api_url, type: :string,
+    default: ENV["BTCPAY_API_URL"].presence
+
+  field :btcpay_enabled, type: :boolean,
+    default: (ENV["BTCPAY_API_URL"].present?.to_s || false)
+
+  field :btcpay_store_id, type: :string,
+    default: ENV["BTCPAY_STORE_ID"].presence
+
+  field :btcpay_auth_token, type: :string,
+    default: ENV["BTCPAY_AUTH_TOKEN"].presence
+
   #
   # Discourse
   #