move swift examples (#100)

* move swift examples

* swift workflow

* fixup

* rewirte gettingStarted

* add README for swift

* update fiat examples and addresss feedback

snippets/swift/BreezSDKExamples/Sources/ListPayments.swift

@@ -0,0 +1,27 @@
+//
+//  ListPayments.swift
+//
+//
+//  Created by ruben on 13/11/2023.
+//
+
+import Foundation
+import BreezSDK
+
+func ListPayments(sdk: BlockingBreezServices) -> [Payment]? {
+    // ANCHOR: list-payments
+    let payments = try? sdk.listPayments(req: ListPaymentsRequest())
+    // ANCHOR_END: list-payments
+    return payments
+}
+
+func ListPaymentsFiltered(sdk: BlockingBreezServices) -> [Payment]? {
+    // ANCHOR: list-payments-filtered
+    let payments = try? sdk.listPayments(
+        req: ListPaymentsRequest(
+            filters: [.sent],
+            fromTimestamp: 1696880000,
+            includeFailures: true))
+    // ANCHOR_END: list-payments-filtered
+    return payments
+}