nl_tokens: This is just a basic origin http server that response to two paths :
pl_tokens: async function origin ( req , init ) { const url = new URL ( req . url ) switch ( url . pathname ) { case "/" : return new Response ( ` ${ new Date ( ) } ` , { headers : { "Cache-Control" : "max-age=600" } } ) case "/never-cache" : return new Response ( ` ${ new Date ( ) } ` ) } return new Response ( "not found" , { <mask> : 404 } ) }