README.md in fastlane-2.142.0

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 All built-in integrations are available in this directory. Use the `fastlane new_action` command to create a new action.
 
 _fastlane_ will automatically detect the files in this folder
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+All available actions are listed and documented on https://docs.fastlane.tools/actions/. Documentation for individual actions is available on https://docs.fastlane.tools/actions/%action_name%, e.g. https://docs.fastlane.tools/actions/copy_artifacts/. 