spm support

Package.swift

@@ -0,0 +1,24 @@
+// swift-tools-version: 5.9
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "OnlineChatSdk",
+    platforms: [.iOS(.v12)],
+    products: [
+        // Products define the executables and libraries a package produces, making them visible to other packages.
+        .library(
+            name: "OnlineChatSdk",
+            targets: ["OnlineChatSdk"]),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package, defining a module or a test suite.
+        // Targets can depend on other targets in this package and products from dependencies.
+        .target(
+            name: "OnlineChatSdk",
+            path: "OnlineChatSdk",
+            sources: ["Classes"]
+        )
+    ]
+)