feat: add TheHuzz processor fuzzing explainer (12 scenes, 1080p)

chore: rename transformer to attention-is-everything

feat: add Transformer explainer (10-scene deep dive, v0.2.3)

feat: add BCI brain-to-text paper explainer (beta)

feat: add solar panel delamination explainer (topic -> 2:20 video)

feat: add 5 earlier explainer projects to showcase

feat: add L&T runway bitumen explainer (60 slides -> 3:40 video)