docs: prepare for release v0.3.1

Author: sarvarimark

CHANGELOG.md

@@ -5,6 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.3.1] - 2023-11-01
+### Fixed
+- Bug where initially expanded item would only shrunk on second tap
+### Changed
+- Bump version of flutter_lints to 3.0.0 
+- SDK upper constraint to accept 3.x versions
+- Example app according to the relevant changes
+
+
 ## [0.3.0] - 2023-03-24
 ### Added
 - Divider property of ToggleListItem
@@ -14,6 +23,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - Text types of TextTheme according to Material3 guidelines introduced in Flutter 3.7
 - Bump the example app's Gradle version from 6.7 to 7.3.3
 
+
 ## [0.2.1] - 2022-05-20
 ### Fixed
 - Replace deprecated property of Scrollbar 

README.md

@@ -21,7 +21,7 @@ flutter pub add toggle_list
 Add the following line to your pubspec.yaml file.
 ```yaml
 dependencies:
-  toggle_list: ^0.1.0
+  toggle_list: ^0.3.1
 ```
 Then either save the file or use the `flutter pub run` command.
 

pubspec.yaml

@@ -1,6 +1,6 @@
 name: toggle_list
 description: An easy-to-use and highly customizable expandable list widget for your Flutter application.
-version: 0.3.0
+version: 0.3.1
 homepage: https://binarybush.dev/
 repository: https://github.com/binarybush/toggle_list 
 issue_tracker: https://github.com/binarybush/toggle_list/issues