Update routes.json

Author: bogdanssh

docs/.vuepress/routes.json

@@ -25,5 +25,6 @@
     "/els-for-languages/python/#supported-os": "/els-for-languages/python/#supported-os-and-python-versions",
     "/els-for-languages/php/#rpm-based-systems": "/els-for-languages/php/#installation-instructions-for-linux",
     "/els-for-languages/php/#deb-based-systems": "/els-for-languages/php/#installation-instructions-for-linux",
-    "/els-for-languages/php/#introduction": "/els-for-languages/php/#oval-data"
-}
+    "/els-for-languages/php/#introduction": "/els-for-languages/php/#oval-data",
+    "/extended-lifecycle-support": "/els-for-os/"
+}