Update config, make oauth opt-in

app/Providers/AuthServiceProvider.php

@@ -25,6 +25,7 @@ class AuthServiceProvider extends ServiceProvider
     {
         $this->registerPolicies();
 
+        if(config('pixelfed.oauth_enabled')) {
             Passport::routes();
             Passport::tokensExpireIn(now()->addDays(15));
             Passport::refreshTokensExpireIn(now()->addDays(30));
@@ -40,4 +41,5 @@ class AuthServiceProvider extends ServiceProvider
                 'user:write' => 'This scope lets an app "Change your profile information"',
             ]);
         }
+    }
 }

config/pixelfed.php

@@ -276,4 +276,6 @@ return [
             ]
         ]
     ],
+
+    'oauth_enabled' => env('OAUTH_ENABLED', false),
 ];