Continued updating the e-mail verification and I think I managed to get it working

src/firebase/index.ts

@@ -1,5 +1,7 @@
 import {initializeApp} from "firebase/app";
-import {getFirestore} from "firebase/firestore";
+import * as admin from "firebase-admin/app";
+
+const serviceAccount = require("@/constants/serviceAccountKey.json");
 
 const firebaseConfig = {
 	apiKey: process.env.FIREBASE_PUBLIC_API_KEY || "",
@@ -11,4 +13,10 @@ const firebaseConfig = {
 	measurementId: process.env.FIREBASE_MEASUREMENT_ID || "",
 };
 
-export const app = initializeApp(firebaseConfig);
+export const app = initializeApp(firebaseConfig, Math.random().toString());
+export const adminApp = admin.initializeApp(
+	{
+		credential: admin.cert(serviceAccount),
+	},
+	Math.random().toString(),
+);