Fix share link labels, wrap long text in result card image

Add share link + result card to text tab, download image button for mobile, hide Gradio toolbar via CSS

Add copy link/image buttons, fix card footer, detect Google/redirect pages

Add shareable result card image for social media sharing

Add server-side ?url= param: auto-fetches, switches to URL tab, shows results

Remove demo.load callback, disable SSR - fix startup timeout