Add podspec + package.swift

Introspect.podspec

@@ -0,0 +1,15 @@
+Pod::Spec.new do |spec|
+  spec.name = 'Introspect'
+  spec.version = '0.0.1'
+  spec.license = { type: 'MIT' }
+  spec.homepage = 'https://github.com/timbersoftware/SwiftUI-Introspect.git'
+  spec.authors = { 'Lois Di Qual' => 'lois@timber.so' }
+  spec.summary = 'Introspect the underlying UIKit element of a SwiftUI view.'
+  spec.source = {
+    git: 'https://github.com/timbersoftware/SwiftUI-Introspect.git',
+    tag: spec.version
+  }
+  spec.source_files = 'Introspect/**/*.swift'
+  spec.platform = :ios, '13.0'
+  spec.swift_version = '5.1'
+end

Package.swift

@@ -0,0 +1,23 @@
+// swift-tools-version:5.1
+
+import PackageDescription
+
+let package = Package(
+    name: "Introspect",
+    platforms: [
+        .iOS(.v13)
+    ],
+    products: [
+        .library(
+            name: "Introspect",
+            targets: ["Introspect"]
+        )
+    ],
+    dependencies: [],
+    targets: [
+        .target(
+            name: "Introspect",
+            dependencies: []
+        )
+    ]
+)