async loginWithEmail(email: string, password: string): Promise<void> {
 return await this.angularFireAuth
 .signInWithEmailAndPassword(email, password)
 .then(async (credential) => {
 await this.updateUserData(credential);
 });
 }
async updateUserData({ user }: firebase.auth.UserCredential): Promise<void> {
 const userRef: AngularFirestoreDocument<any> = this.angularFirestore.doc(
 `users/${user.uid}`
 );
 const data: User = {
 uid: user.uid,
 email: user.email,
 roles: {
 admin: true,
 },
 };
 return userRef.set(data, { merge: true });
 }

service cloud.firestore {
 match /databases/{database}/documents {
 match /{document=**} {
 allow read, write: if request.auth != null;
 }
 }
}