Rakefile in motoko-1.0.0 vs Rakefile in motoko-1.1.0

@@ -1,8 +1,25 @@
 # frozen_string_literal: true
 
 require 'bundler/gem_tasks'
-require 'rspec/core/rake_task'
 
+require 'github_changelog_generator/task'
+GitHubChangelogGenerator::RakeTask.new :changelog do |config|
+  config.future_release = Motoko::VERSION
+  config.header = <<~HEADER.chomp
+    # Changelog
+
+    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/)
+    and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+  HEADER
+  config.exclude_labels = %w[duplicate question invalid wontfix wont-fix skip-changelog ignore]
+  config.user = 'smortex'
+  config.project = 'motoko'
+  config.since_tag = 'v1.0.0'
+end
+
+require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec)
 
 task default: :spec