Pre-resize perspective examples to max long edge 768

Add WildRGBD perspective examples after existing gallery items

Add 5 DL3DV validation src_gt images to perspective examples

Perspective examples: insta2 instead of demo_photo set

Tighten panorama aspect range; trim perspective examples; gallery display-only

Reorder panorama examples; add perspective gallery section

Update demo examples, intro links, and output frame height

Use mounted demo checkpoint and trim demo code

Update UniSHARP demo examples and output controls

Add UniSHARP Gradio Space