add key to mapped records lol

src/routes/jetstream.lazy.tsx

···
         </div>
         <div className="w-full max-w-2xl overflow-x-auto lg:px-4">
           {jet.records.map((r) => (
-            <div className="max-w-min text-wrap mb-8">
+            <div
+              key={r.time_us + r.commit.rev}
+              className="max-w-min text-wrap mb-8"
+            >
               <RenderJson pds="" did={r.did} data={r} />
             </div>
           ))}