update local modifications for cors and cp

config/environments/production.rb

@@ -93,9 +93,12 @@ Rails.application.configure do
   end
 
   config.action_dispatch.default_headers = {
-    'Server'                 => 'Mastodon',
-    'X-Frame-Options'        => 'DENY',
-    'X-Content-Type-Options' => 'nosniff',
-    'X-XSS-Protection'       => '1; mode=block',
+    'Server'                  => 'Mastodon',
+    'X-Frame-Options'         => 'DENY',
+    'X-Content-Type-Options'  => 'nosniff',
+    'X-XSS-Protection'        => '1; mode=block',
+    'Content-Security-Policy' => "frame-ancestors 'none'; object-src 'none'; script-src 'self' https://dev-static.glitch.social 'unsafe-inline'; base-uri 'none';" , 
+    'Referrer-Policy'         => 'no-referrer, strict-origin-when-cross-origin',
+    'Strict-Transport-Security' => 'max-age=63072000; includeSubDomains; preload'
   }
 end