The Badge plugin for Fastlane allows you to offer version numbers, release type, etc.

On the MacOS collector, install the dependencies:
brew install librsvg brew install imagemagick brew install graphicsmagick
Add a line to the project Gemfile:
gem 'fastlane-plugin-badge'
Add a block related to the badge to Fastfile and add the version number via a variable.
jenkinsVersionNumber = ENV["APP_VERSION"]
...
lane :adhoc do
  add_badge(
    alpha: true,
    dark: true,
    shield: "Version-#{jenkinsVersionNumber}-orange",
    grayscale: true
  )
...
end