feat: add passport config file (monicahq#1846)

CHANGELOG

@@ -11,6 +11,7 @@ UNRELEASED CHANGES:
 * Support papertrail logging
 * Add sentry:release command
 * Add Envoy file template
+* Add passport config file
 
 RELEASED VERSIONS:
 

config/passport.php

@@ -0,0 +1,20 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Encryption Keys
+    |--------------------------------------------------------------------------
+    |
+    | Passport uses encryption keys while generating secure access tokens for
+    | your application. By default, the keys are stored as local files but
+    | can be set via environment variables when that is more convenient.
+    |
+    */
+
+    'private_key' => env('PASSPORT_PRIVATE_KEY'),
+
+    'public_key' => env('PASSPORT_PUBLIC_KEY'),
+
+];