Video Library: add the unlisted channel videos Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Video Library: list all public CareCode channel videos by module Adds the 57 public videos from the channel, grouped by module with a jump list, channel link, lengths and upload dates. Unlisted and private videos are left out. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Video Library: tidy the intro
Add Video Library page and link it from Home, the article index and the two-page lab report article