Move get_required_env

fastlane/Fastfile

@@ -4,6 +4,13 @@ default_platform(:mac)
 fastlane_require 'dotenv'
 fastlane_require 'shellwords' # used for shell-escaping paths
 
+# Use this instead of getting values from ENV directly
+# It will throw an error if the requested value is missing
+def get_required_env(key)
+  UI.user_error!("Environment variable '#{key}' is not set. Have you setup #{USER_ENV_FILE_PATH} correctly?") unless ENV.key?(key)
+  ENV.fetch(key)
+end
+
 # Constants
 USER_ENV_FILE_PATH = File.join(Dir.home, '.simplenotemacos-env.default')
 PROJECT_FOLDER = Pathname.new(File.join(Dir.pwd, '..')).expand_path.to_s
@@ -44,13 +51,6 @@ SKIP_CODE_SIGNING_XCARGS = {
   CODE_SIGNING_REQUIRED: 'NO'
 }.freeze
 
-# Use this instead of getting values from ENV directly
-# It will throw an error if the requested value is missing
-def get_required_env(key)
-  UI.user_error!("Environment variable '#{key}' is not set. Have you setup #{USER_ENV_FILE_PATH} correctly?") unless ENV.key?(key)
-  ENV.fetch(key)
-end
-
 before_all do
   # Ensure we use the latest version of the Release Toolkit
   check_for_toolkit_updates unless is_ci || ENV['FASTLANE_SKIP_TOOLKIT_UPDATE_CHECK']