chore: 3.0 update changelog, readme, and podspec

Author: abarisain

BatchExtension.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |spec|
 
   spec.name         = "BatchExtension"
-  spec.version      = "2.0.0"
+  spec.version      = "3.0.0"
   spec.summary      = "Batch.com iOS SDK for App Extensions."
   spec.homepage     = "https://batch.com"
   spec.license      = { :type => "MIT", :file => "LICENSE" }

CHANGELOG.md

@@ -1,4 +1,9 @@
-2.0
-----
+# 3.0
+
+- New features to be announced
+- Images are no longer download
+  To revert to the original behaviour, set RichNotificationHelper.allowInLowDataMode to `true` (BAERichNotificationHelper in Objective-C)
+
+# 2.0
 
 - Rewrote the extension

README.md

@@ -2,23 +2,22 @@
 
 This repository contains Batch's iOS Extension SDK.
 
-It is a light version that only uses Extension-safe APIs. For now it provides Rich Push capabilities.
+It is a light version that only uses Extension-safe APIs. It provides Rich Push capabilities and other functionality.
 
-The project is written in Swift 5, but Objective-C projects are supported
+The project is written in Swift 5, but Objective-C projects are supported.
+If you do not have Swift code in your app and do not want to bundle the Swift runtime on versions lower than iOS 12.2,
+use Batch-iOS-SDK-Extension-ObjC.
 
 ## Requirements
 
 - iOS 10 and higher
-- A Xcode version that supports Swift 5 and higher
-
-## Integration
-
-A complete integration documentation can be found [here]() todo: batch.com/doc link
+- Xcode 11 and higher
 
 ### Cocoapods
 
 ### Carthage
 
 ### Swift Package Manager
 
-_Requires Xcode 11_
+Add `https://github.com/BatchLabs/Batch-iOS-SDK-Extension.git` as a dependency, and add it to your Extension target.
+You do not need to add this package to your main target.