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/LnurlWithdraw.swift

@@ -0,0 +1,27 @@
+//
+//  LnurlWithdraw.swift
+//
+//
+//  Created by ruben on 14/11/2023.
+//
+
+import Foundation
+import BreezSDK
+
+func withdraw(sdk: BlockingBreezServices) -> LnUrlWithdrawResult? {
+    // ANCHOR: lnurl-withdraw
+    // Endpoint can also be of the form:
+    // lnurlw://domain.com/lnurl-withdraw?key=val
+    var response: LnUrlWithdrawResult?
+    let lnurlWithdrawUrl = "lnurl1dp68gurn8ghj7mr0vdskc6r0wd6z7mrww4exctthd96xserjv9mn7um9wdekjmmw843xxwpexdnxzen9vgunsvfexq6rvdecx93rgdmyxcuxverrvcursenpxvukzv3c8qunsdecx33nzwpnvg6ryc3hv93nzvecxgcxgwp3h33lxk"
+
+    if let inputType = try? parseInput(s: lnurlWithdrawUrl){
+        if case.lnUrlWithdraw(let `data`) = inputType {
+            let amountMsat = data.maxWithdrawable
+            let description = "Test withdraw"
+            response = try? sdk.withdrawLnurl(request: LnUrlWithdrawRequest(data: data, amountMsat: amountMsat))
+        }
+    }
+    // ANCHOR_END: lnurl-withdraw
+    return response
+}