Updated Slack Links

README.md

@@ -5,7 +5,7 @@
 [![Language](https://img.shields.io/badge/swift-5.0-orange.svg)](https://developer.apple.com/swift)
 [![Build](https://img.shields.io/travis/bizz84/SwiftyStoreKit.svg?style=flat)](https://travis-ci.org/bizz84/SwiftyStoreKit)
 [![Issues](https://img.shields.io/github/issues/bizz84/SwiftyStoreKit.svg?style=flat)](https://github.com/bizz84/SwiftyStoreKit/issues)
-[![Slack](https://img.shields.io/badge/Slack-Join-green.svg?style=flat)](https://join.slack.com/t/swiftystorekit/shared_invite/enQtNjkzNTg5NTMyMTgwLTcyZGIzMTg0MWFmMTQyMDYxNDcyYWNhOTlmNjUyM2E0OTllNjE2ZDJiNDI0ZDAzMWU2Mzc3Nzk1YzJmMTE2NjI)
+[![Slack](https://img.shields.io/badge/Slack-Join-green.svg?style=flat)](https://join.slack.com/t/swiftystorekit/shared_invite/enQtODY3OTYxOTExMzE5LWVkNGY4MzcwY2VjNGM4MGU4NDFhMGE5YmUxMGM3ZTQ4NjVjNTRkNTJhNDAyMWZmY2M5OWE5MDE0ODc3OGJjMmM)
 [![Cocoapod](http://img.shields.io/cocoapods/v/SwiftyStoreKit.svg?style=flat)](http://cocoadocs.org/docsets/SwiftyStoreKit/)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
 [![Accio supported](https://img.shields.io/badge/Accio-supported-0A7CF5.svg?style=flat)](https://github.com/JamitLabs/Accio)
@@ -19,12 +19,11 @@ SwiftyStoreKit is a lightweight In App Purchases framework for iOS 8.0+, tvOS 9.
 
 ### Join on Slack 
 
-SwiftyStoreKit is on Slack. [Join here](https://join.slack.com/t/swiftystorekit/shared_invite/enQtNjkzNTg5NTMyMTgwLTcyZGIzMTg0MWFmMTQyMDYxNDcyYWNhOTlmNjUyM2E0OTllNjE2ZDJiNDI0ZDAzMWU2Mzc3Nzk1YzJmMTE2NjI).
+SwiftyStoreKit is on Slack. [Join here](https://join.slack.com/t/swiftystorekit/shared_invite/enQtODY3OTYxOTExMzE5LWVkNGY4MzcwY2VjNGM4MGU4NDFhMGE5YmUxMGM3ZTQ4NjVjNTRkNTJhNDAyMWZmY2M5OWE5MDE0ODc3OGJjMmM).
 
 ### Maintainers Wanted
 
-- The author no longer maintaining this project actively. If you'd like to become a maintainer, [join the Slack workspace](https://join.slack.com/t/swiftystorekit/shared_invite/enQtNjkzNTg5NTMyMTgwLTcyZGIzMTg0MWFmMTQyMDYxNDcyYWNhOTlmNjUyM2E0OTllNjE2ZDJiNDI0ZDAzMWU2Mzc3Nzk1YzJmMTE2NjI
-) and enter the [#maintainers](https://app.slack.com/client/TL2JYQ458/CLG62K26A/details/) channel.
+- The author no longer maintaining this project actively. If you'd like to become a maintainer, [join the Slack workspace](https://join.slack.com/t/swiftystorekit/shared_invite/enQtODY3OTYxOTExMzE5LWVkNGY4MzcwY2VjNGM4MGU4NDFhMGE5YmUxMGM3ZTQ4NjVjNTRkNTJhNDAyMWZmY2M5OWE5MDE0ODc3OGJjMmM) and enter the [#maintainers](https://app.slack.com/client/TL2JYQ458/CLG62K26A/details/) channel.
 - Going forward, SwiftyStoreKit should be made for the community, by the community. 
 
 More info here:
@@ -36,6 +35,7 @@ More info here:
 - [Installation](#installation)
 	- [CocoaPods](#cocoapods)
 	- [Carthage](#carthage)
+	- [Swift Package Manager](#swift package manager)
 - [Features](#features)
 - [Contributing](#contributing)
 - [App startup](#app-startup)