insertMany method
Inserts one or more documents to the collection
Implementation
Future<Map<int, ObjectId>> insertMany(List<MongoDocument> documents) async {
Map results = await (FlutterMongoRealm.insertDocuments(
collectionName: this.collectionName,
databaseName: this.databaseName,
list: documents.map((doc) => jsonEncode(doc.map)).toList(),
));
return results.map<int, ObjectId>(
(key, value) => MapEntry<int, ObjectId>(key, ObjectId.parse(value)));
}