Update readme

Author: jeremiahAI

README.md

@@ -90,6 +90,7 @@ Set the public key, encryption key and other required parameters. The `RavePayMa
 | acceptGHMobileMoneyPayments(boolean) | Set to `true` if you want to accept Ghana mobile money payments, else set to `false` . For this option to work, you should set your country to `GH` and your currency to `GHS`| `boolean` | Not Required |
 | acceptUgMobileMoneyPayments(boolean) | Set to `true` if you want to accept Uganda mobile money payments, else set to `false` . For this option to work, you should set your country to `UG` and your currency to `UGX`| `boolean` | Not Required |
 | acceptAchPayments(boolean) | Set to `true` if you want to accept US ACH charges from your customers, else set to `false` . For this option to work, you should set your country to `US` and your currency to `USD`. You also have to set `acceptAccountPayments(true)`| `boolean` | Not Required |
+| acceptBankTransferPayments(boolean) | Set to `true` if you want to accept payments via bank transfer from your customers, else set to `false` . This option is currently only available for Nigerian Naira.| `boolean` | Not Required |
 | onStagingEnv(boolean) | Set to `true` if you want your transactions to run in the staging environment otherwise set to `false`. Defaults to false  | `boolean` | Not Required
 | setMeta(`List<Meta>`) | Pass in any other custom data you wish to pass. It takes in a `List` of `Meta` objects | List<Meta> | Not Required
 | setSubAccounts(`List<SubAccount>`) | Pass in a `List` of `SubAccount`,if you want to split transaction fee with other people. Subaccounts are your vendors' accounts that you want to settle per transaction. To initialize a `SubAccout` class, do `SubAccount(String subAccountId,String transactionSplitRatio)` or `SubAccount(String subAccountId,String transactionSplitRatio,String transactionChargeType, String transactionCharge)` to also charge the subaccount a fee. [Learn more about split payments and subaccounts](https://developer.flutterwave.com/docs/split-payment).| `List<SubAccount>`| Not Required