Run fastlane init

Signed-off-by: Álvaro Brey <alvaro.brey@nextcloud.com>

fastlane/Appfile

@@ -0,0 +1,2 @@
+json_key_file("~/.gradle/Google Play Android Developer-Fastlane.json") # Path to the json secret file - Follow https://docs.fastlane.tools/actions/supply/#setup to get one
+package_name("it.niedermann.owncloud.notes") # e.g. com.krausefx.app

fastlane/Fastfile

@@ -0,0 +1,38 @@
+# This file contains the fastlane.tools configuration
+# You can find the documentation at https://docs.fastlane.tools
+#
+# For a list of all available actions, check out
+#
+#     https://docs.fastlane.tools/actions
+#
+# For a list of all available plugins, check out
+#
+#     https://docs.fastlane.tools/plugins/available-plugins
+#
+
+# Uncomment the line if you want fastlane to automatically update itself
+# update_fastlane
+
+default_platform(:android)
+
+platform :android do
+  desc "Runs all the tests"
+  lane :test do
+    gradle(task: "test")
+  end
+
+  desc "Submit a new Beta Build to Crashlytics Beta"
+  lane :beta do
+    gradle(task: "clean assembleRelease")
+    crashlytics
+  
+    # sh "your_script.sh"
+    # You can also use other beta testing services here
+  end
+
+  desc "Deploy a new version to the Google Play"
+  lane :deploy do
+    gradle(task: "clean assembleRelease")
+    upload_to_play_store
+  end
+end