firebase-firestore

Question

hello everyone ,i have a question on firestore-firebase, i have a code like this
const quotes=[
{
quote: "If you want to achieve greatnes ." ,
author: 'Unkown"
},
{
quote: 'things work out best f' ,
author:"John Wooden"
} ];
i was create an array contain objects and i fetch data using flatList, so now i want create same code on firestore and fetching data using flatlist but i don’t know how can i create an array contain object on firebase and using with flatlist , please help me to fix my issue.