Update README.md

Author: mininny

README.md

@@ -3,6 +3,7 @@
 ![Platform](https://img.shields.io/badge/Platform-iOS-orange.svg)
 ![CocoaPods compatible](https://img.shields.io/badge/CocoaPods-compatible-green.svg)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
+![Swift Package Manager compatible](https://img.shields.io/badge/Swift%20Package%20Manager-compatible-orange.svg)
 [![BSD License](https://img.shields.io/badge/License-BSD-brightgreen.svg)](https://github.com/sendbird/sendbird-webrtc-ios/blob/master/LICENSE)
 
 ## Introduction
@@ -15,9 +16,15 @@ iOS 9.0 or higher
 
 ## Installation
 
-The size of the framework is huge. In order to install on your project, you can use CocoaPods or Carthage. If you want to use CocoaPods, then you have to install git-lfs first. Please refer to the [git-lfs document](https://git-lfs.github.com/).
+### Install WebRTC Framework from [Swift Package Manager](https://developer.apple.com/documentation/swift_packages)
 
-### Install WebRTC Framework from CocoaPods
+1. Go to your Swift Package Manager's File tab and select Swift Packages. Then choose `Add package dependency`
+
+2. Add SendBirdWebRTC into your Package Repository with the following URL: `https://github.com/sendbird/sendbird-webrtc-ios`
+
+3. To add the package, select appropriate dependency rule and click `Add Package`.
+
+### Install WebRTC Framework from [CocoaPods](https://github.com/CocoaPods/CocoaPods)
 
 Add below into your Podfile.
 
@@ -38,9 +45,10 @@ pod install
 
 Now you can see installed WebRTC framework by inspecting `YOUR_PROJECT.xcworkspace`.
 
-### Install WebRTC Framework from Carthage
+### Install WebRTC Framework from [Carthage](https://github.com/Carthage/Carthage)
 
-1. Add `github "sendbird/sendbird-webrtc-ios.git"` to your Cartfile.
-2. Run `carthage update`.
-3. Go to your Xcode project's `"General"` settings. Open `<YOUR_XCODE_PROJECT_DIRECTORY>/Carthage/Build/iOS` in Finder and drag `WebRTC.framework` to the `"Embedded Binaries"` section in Xcode. Make sure `Copy items if needed` is selected and click `Finish`.
+> Requires Carthage version 0.38 or higher
 
+1. Add `binary "https://raw.githubusercontent.com/sendbird/sendbird-webrtc-ios/latest/SendBirdWebRTC.json"` to your Cartfile.
+2. Run `carthage update --use-xcframeworks`.
+3. Go to your Xcode project's `"General"` settings. Open `<YOUR_XCODE_PROJECT_DIRECTORY>/Carthage/Build/iOS` in Finder and drag `WebRTC.framework` to the `"Embedded Binaries"` section in Xcode. Make sure `Copy items if needed` is selected and click `Finish`.