Introduces a new `NetflixGrid` component to display videos in categorized rows, similar to Netflix. This includes styling for hidden scrollbars, adding a `className` prop to `VideoCard`, and updating the home page to conditionally render either the `VideoGrid` or the new `NetflixGrid` based on the `viewMode`.
Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 2eb1084e-b728-4449-9231-f1665924c8d5
Replit-Commit-Checkpoint-Type: full_checkpoint
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