Add fastlane files.

fastlane/README.md

@@ -0,0 +1,46 @@
+fastlane documentation
+================
+
+# Installation
+
+Make sure you have the latest version of the Xcode command line tools installed:
+
+```
+xcode-select --install
+```
+
+Install _fastlane_ using
+
+```
+[sudo] gem install fastlane -NV
+```
+
+or alternatively using `brew cask install fastlane`
+
+# Available Actions
+
+## Android
+
+### android beta
+
+```
+fastlane android beta
+```
+
+### android production
+
+```
+fastlane android production
+```
+
+### android listing_only
+
+```
+fastlane android listing_only
+```
+
+----
+
+This README.md is auto-generated and will be re-generated every time [fastlane](https://fastlane.tools) is run. 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).