added firebase config file about water-tracker

[qadir1020]

create firebaseConfig.js file in your project.and add this code below:
import { initializeApp } from 'firebase/app';

// Optionally import the services that you want to use
//import {...} from "firebase/auth";
//import {...} from "firebase/database";
//import {...} from "firebase/firestore";
//import {...} from "firebase/functions";
//import {...} from "firebase/storage";

// Initialize Firebase
const firebaseConfig = {
apiKey: 'api-key',
authDomain: 'project-id.firebaseapp.com',
databaseURL: 'https://project-id.firebaseio.com',
projectId: 'project-id',
storageBucket: 'project-id.appspot.com',
messagingSenderId: 'sender-id',
appId: 'app-id',
measurementId: 'G-measurement-id',
};

initializeApp(firebaseConfig);