feat: add FetchAdShieldDomains func to refer AG Base and uBO filters list

Author: piquark6046

builder/source/references/filterslists.ts

@@ -0,0 +1,13 @@
+import { HTTPSRequest } from '@typescriptprime/securereq'
+import { IndexAdShieldDomainsFromAG } from './filterslists/ADG.js'
+import { IndexAdShieldDomainsFromUBO } from './filterslists/uBO.js'
+
+export async function FetchAdShieldDomains(): Promise<Set<string>> {
+  const [AGDomains, UBODomains] = await Promise.all([
+    IndexAdShieldDomainsFromAG(),
+    IndexAdShieldDomainsFromUBO()
+  ])
+
+  const CombinedDomains = new Set<string>([...AGDomains, ...UBODomains])
+  return CombinedDomains
+}