feat: add FetchAdShieldDomains func to refer all references

Author: piquark6046

builder/source/references/index.ts

@@ -0,0 +1,12 @@
+import { FetchAdShieldDomainsFromFiltersLists } from './filterslists.js'
+import { FetchIABSellersJsonData } from './iabsellers.js'
+
+export async function FetchAdShieldDomains(): Promise<Set<string>> {
+  const [IABSellersDomains, FiltersListsDomains] = await Promise.all([
+    FetchIABSellersJsonData(),
+    FetchAdShieldDomainsFromFiltersLists()
+  ])
+
+  const CombinedDomains = new Set<string>([...IABSellersDomains, ...FiltersListsDomains])
+  return CombinedDomains
+}