Add Fastlane TestFlight release lane

fastlane/README.md

@@ -0,0 +1,41 @@
+fastlane documentation
+----
+
+# Installation
+
+Make sure you have the latest version of the Xcode command line tools installed:
+
+```sh
+xcode-select --install
+```
+
+For _fastlane_ installation instructions, see [Installing _fastlane_](https://docs.fastlane.tools/#installing-fastlane)
+
+# Available Actions
+
+## iOS
+
+### ios beta
+
+```sh
+[bundle exec] fastlane ios beta
+```
+
+Build QueueCube for iOS and upload the archive to TestFlight
+
+The lane uses the latest reachable git tag as `MARKETING_VERSION` and the git commit count as `CURRENT_PROJECT_VERSION`.
+
+Set `FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD` in your shell before uploading.
+
+```sh
+export FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD="<app-specific password>"
+fastlane ios beta
+```
+
+----
+
+This README.md follows the format generated by [_fastlane_](https://fastlane.tools).
+
+More information about _fastlane_ can be found on [fastlane.tools](https://fastlane.tools).
+
+The documentation of _fastlane_ can be found on [docs.fastlane.tools](https://docs.fastlane.tools).