feat: ACH transfers (#905)

crates/api_models/src/payment_methods.rs

@@ -608,3 +608,13 @@ pub struct TokenizedWalletValue1 {
 pub struct TokenizedWalletValue2 {
     pub customer_id: Option<String>,
 }
+
+#[derive(Debug, serde::Serialize, serde::Deserialize)]
+pub struct TokenizedBankTransferValue1 {
+    pub data: payments::BankTransferData,
+}
+
+#[derive(Debug, serde::Serialize, serde::Deserialize)]
+pub struct TokenizedBankTransferValue2 {
+    pub customer_id: Option<String>,
+}