LibWeb/CSP: Add Keyword Sources FlyStrings

Author: https://github.com/Lubrsi
Commit: 050f984625
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4367
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/shannonbooth

Libraries/LibWeb/ContentSecurityPolicy/Directives/KeywordSources.cpp

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2025, Luke Wilde <luke@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/ContentSecurityPolicy/Directives/KeywordSources.h>
+
+namespace Web::ContentSecurityPolicy::Directives::KeywordSources {
+
+#define __ENUMERATE_KEYWORD_SOURCE(name, value) \
+    FlyString name = value##_fly_string;
+ENUMERATE_KEYWORD_SOURCES
+#undef __ENUMERATE_KEYWORD_SOURCE
+
+}