fix(example): use import for the example (#17)

Author: L-U-C-K-Y

example/src/Database.ts

@@ -1,4 +1,5 @@
 import { DataSource } from 'typeorm';
+import { typeORMDriver } from 'react-native-quick-sqlite';
 import { Book } from './model/Book';
 import { User } from './model/User';
 // import { Buffer } from 'buffer';
@@ -9,7 +10,7 @@ export async function typeORMInit() {
     type: 'react-native',
     database: 'typeormdb',
     location: '.',
-    driver: require('react-native-quick-sqlite'),
+    driver: typeORMDriver,
     entities: [Book, User],
     synchronize: true,
   });