Add Package.swift and update Podspec (#14)

Package.swift

@@ -0,0 +1,21 @@
+// swift-tools-version:5.0
+import PackageDescription
+
+let package = Package(
+    name: "PagerTabStrip",
+    platforms: [.iOS(.v14)],
+    products: [
+        .library(name: "PagerTabStrip", targets: ["PagerTabStrip"])
+    ],
+    targets: [
+        .target(
+            name: "PagerTabStrip",
+            path: "Sources"
+        ),
+        .testTarget(
+            name: "PagerTabStripTests",
+            dependencies: ["PagerTabStrip"],
+            path: "Tests"
+        )
+    ]
+)

PagerTabStrip.podspec

@@ -1,18 +1,15 @@
 Pod::Spec.new do |s|
   s.name             = "PagerTabStrip"
   s.version          = "1.0.0"
-  s.summary          = "A short description of PagerTabStrip."
+  s.summary          = "PagerTabStrip allows navigating through pages using a custom navigation bar."
   s.homepage         = "https://github.com/xmartlabs/PagerTabStrip"
   s.license          = { type: 'MIT', file: 'LICENSE' }
-  s.author           = { "Xmartlabs SRL" => "swift@xmartlabs.com" }
+  s.authors          = { "Xmartlabs SRL" => "swift@xmartlabs.com" }
   s.source           = { git: "https://github.com/xmartlabs/PagerTabStrip.git", tag: s.version.to_s }
   s.social_media_url = 'https://twitter.com/xmartlabs'
-  s.ios.deployment_target = '13.0'
+  s.ios.deployment_target = '14.0'
+  s.swift_version = '5.0'
   s.requires_arc = true
-  s.ios.source_files = 'PagerTabStrip/Sources/**/*.{swift}'
+  s.ios.source_files = 'Sources/**/*.{swift}'
-  # s.resource_bundles = {
+  s.ios.frameworks = 'SwiftUI'
-  #   'PagerTabStrip' => ['PagerTabStrip/Sources/**/*.xib']
-  # }
-  # s.ios.frameworks = 'UIKit', 'Foundation'
-  # s.dependency 'Eureka', '~> 4.0'
 end