New Domestic CDN Hosts Output Support

Source/non_ip/domestic_cdn.ts

@@ -0,0 +1,5 @@
+import type { DNSMapping } from './direct';
+
+// CDN domains of domestic services that should use DIRECT both in China and abroad.
+// These domains are also included in the legacy domestic output by the build script.
+export const DOMESTIC_CDN: Record<string, DNSMapping> = {};