Add Go/CS bindings (#147)

* Publish Go/CS packages

* Fix optional param ordering

* Fix CI installed bindgens

lib/bindings/langs/swift/Package.swift

@@ -6,8 +6,10 @@ import PackageDescription
 let package = Package(
     name: "bindings-swift",
     platforms: [
-        .macOS(.v12),
-        .iOS(.v11),
+        // Required by uniffi 0.25
+        // Can be reverted to v12/v11 for uniffi 0.27
+        .macOS(.v15),
+        .iOS(.v13),
     ],
     products: [
         .library(name: "BreezSDKLiquid", targets: ["breez_sdk_liquidFFI", "BreezSDKLiquid"]),