v0.15.1

• Updated CI/CD configuration to use ubuntu2404 image for Semaphore CI
• Refactored Rails integration by removing the top-level RakeTasks module and
  moving rake task loading into Betterdocs::Railtie#rake_tasks
• Updated development dependency gem_hadar from 2.16.3 to 2.17.0
• Modified .all_images.yml to use parallel bundle install with
  --jobs=$(getconf _NPROCESSORS_ONLN)
  • Added rm -vf Gemfile.lock cleanup in before and after sections for consistent builds
• Updated gemspec file lists to include .tool-versions and exclude lib/betterdocs/rake_tasks.rb
• Replaced simplecov with gem_hadar/simplecov in spec/spec_helper.rb
• Updated s.extra_rdoc_files and s.files in gemspec to reflect current file structure
• Updated Ruby version to 3.4.8 in .tool-versions file

v0.15.0

• Added CHANGES.md changelog file and integrated it into the gem build process
• Updated Rakefile to configure CHANGES.md as the changelog filename for gem building
• Updated CI configuration to test against Ruby 4.0 and manage dependencies

v0.14.0

• Replaced the COPYING file with LICENSE and updated the license content to
  reflect Apache-2.0.
• Added all_images as a new development dependency.
• Added Apache-2.0 license to the gemspec file.

Adjustments to nullability of certain types

v0.8.1

add optional descriptor to docs