Remove teaser image, startup note, and run summary accordion

Fix: remove unsupported gr.Image kwargs

Minimal B&W UI: restore teaser image, default gradio theme

Redesign Gradio UI: dark indigo theme, cleaner input/output layout

Make Space video-only and fix preview export shape handling

Rename Space and refresh branding

Simplify Space to the default LingBot-Map checkpoint

Initial ZeroGPU Gradio Space for LingBot-Map