Complete Firebase User Authenication

It is the complete user authentication built using firebase.

git clone https://github.com/mukulrajpoot262610/dev-case-app.git
# then
npm install

1. Create a file named next.config.js
2. Now create project on firebase and copy your API keys.
3. Then create a service account on firebase
4. After creating copy your service account's private keys
5. Then create a cluster on mongodb and copy mongo connection string
6. paste all keys in next.config.js accordingly.