add vjepa-2 video search example

[AyushExel]

• We need to figure out where to put these examples and in new docs for best visibility.
• We also need to decide how to present large scale demos so that users can try querying without having to ingest the data. Either provide links to publically hosted tables on gcs, or some way to make saas projects public for querying.
  Lets discuss this after launch