[feat]Config read from environment variables

config/environments/development.rb

@@ -44,6 +44,11 @@ Osem::Application.configure do
   # Set the secret key base if it's not set via other means
   config.secret_key_base ||= 'f4be765bc98e516de82ac01daa8f8aa11c5ca13cb6c911887851ac89457b6c0b056b2361a21b5c08926c9386e0f91eef84fc0b103d522bf00bc0c78ea8ce7c58'
 
+  # Test email address
+  config.mailbot = {
+    bcc_address: 'test@test.com'
+  }
+
   # Use omniauth mock credentials
   OmniAuth.config.test_mode = true