Move registration above challenge flow

Update signup challenge details

Fix signup layout overflow

Fix responsive width containment

Copy public assets into Space image

Fix space logo asset paths

Fix partner logo asset loading

Refine hero copy and partner logos

Move partner logos to top and add GPU Mode and ExecuTorch

Update branding and partner marks

Sync latest signup app updates

Remove legacy starter files

Deploy Next.js signup Space

initial commit

Duplicate from static-templates/react