Adds Package.swift

Author: TwoDollarsEsq

Package.swift

@@ -0,0 +1,15 @@
+// swift-tools-version:5.0
+
+import PackageDescription
+
+let package = Package(
+    name: "SSCustomTabbar",
+    platforms: [.iOS(.v11)],
+    products: [
+        .library(name: "SSCustomTabbar", targets: ["SSCustomTabbar"])
+    ],
+    targets: [
+        .target(name: "SSCustomTabbar", path: "SSCustomTabbar/Classes")
+    ]
+)
+