Test code for login authentication using Firebase Authentication.
MyFirebaseProject->firebase-login-tutorial
API KEY->.env
If someone other than me uses it, please create your own .env file and place it directly under the root directory.
REACT_APP_API_KEY="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
REACT_APP_AUTH_DOMAIN="xxxxxxxxxxxxxx.firebaseapp.com"
REACT_APP_PROJECT_ID="xxxxxxxxxxxxxxxxxxxx"
REACT_APP_STORAGE_BUCKET="xxxxxxxxxxxxxx.appspot.com"
REACT_APP_MESSEGING_SENDER_ID="xxxxxxxxxxxxxx"
REACT_APP_APP_ID="xxxxxxxxxxxxxxxxxxxxxxxxxxxx"