docs(cli): add icon and redirect

Author: balazsorban44

docs/public/img/etc/cli.svg

@@ -58,6 +58,11 @@
       "has": [{ "type": "host", "value": "qwik.authjs.dev" }],
       "destination": "https://authjs.dev/reference/qwik"
     },
+    {
+      "source": "/:path(.*)",
+      "has": [{ "type": "host", "value": "cli.authjs.dev" }],
+      "destination": "https://github.com/nextauthjs/cli"
+    },
     {
       "source": "/:path(.*)",
       "has": [{ "type": "host", "value": "errors.authjs.dev" }],