Add opt-in public certificate links

Fix OAuth navigation from sandboxed Space iframe (#12)

Fix blank UI from root-mounted Gradio SSR

Fix OAuth login redirect loops (#8)

Copy: mention LinkedIn button in the ready message

Fix dark mode: dark background variant for the paper grid

Fix renderer: in-Space chromium + partner logos (app.py)

Fix invisible dark-mode text and restore certificate generation (#1)

Add app.py