refactor: Move trait IncomingWebhook to hyperswitch_interfaces (#5191)

crates/hyperswitch_interfaces/src/authentication.rs

@@ -0,0 +1,12 @@
+//! Authentication interface
+
+/// struct ExternalAuthenticationPayload
+#[derive(Clone, serde::Deserialize, Debug, serde::Serialize, PartialEq, Eq)]
+pub struct ExternalAuthenticationPayload {
+    /// trans_status
+    pub trans_status: common_enums::TransactionStatus,
+    /// authentication_value
+    pub authentication_value: Option<String>,
+    /// eci
+    pub eci: Option<String>,
+}