docs(website): add provider pages and refresh docs

packages/website/src/routes/codex.tsx

@@ -1,22 +1,4 @@
 import { createFileRoute } from "@tanstack/react-router";
-import { LandingPage } from "~/components/landing-page";
-import { pageMeta } from "~/meta";
+import { agentRouteOptions } from "~/components/agent-route";
 
-export const Route = createFileRoute("/codex")({
-  head: () => ({
-    meta: pageMeta(
-      "Codex Mobile App – Run Codex from anywhere | Paseo",
-      "Run OpenAI Codex from your phone. Kick off agents, monitor progress, and ship code without being at your desk. Self-hosted, your code never leaves your machine.",
-    ),
-  }),
-  component: CodexPage,
-});
-
-function CodexPage() {
-  return (
-    <LandingPage
-      title="Run Codex from anywhere"
-      subtitle="Kick off Codex agents on your machine from your phone. Check in on the train, review on the couch, merge from the park."
-    />
-  );
-}
+export const Route = createFileRoute("/codex")(agentRouteOptions("codex"));