Frontend for https://ifsc.stream

Displays the data generated by sportclimbing/ifsc-calendar

• Add VPN note and link (to ProtonVPN?)
• Move inline css
• Change favicon when an event started streaming
• Resize downloaded posters
• Download posters and save them locally
• Add filter modal
• Open YouTube videos in modal/iframe
• Add warning about qualification streams likely not being available
• Listen for hash changes (https://developer.mozilla.org/en-US/docs/Web/API/Window/hashchange_event)
• Show previous seasons
• Show exact streaming date/time in addition to "in X hours" (maybe via tooltip?)
• Make landing site prettier and responsive
• Refresh events every minute
• Add tutorial modal to Add to your Calendar button
• Show past and future events
• Add default poster if none exists
• Add SSL support to https://calendar.ifsc.stream
• Create user-friendly calendar URL (https://calendar.ifsc.stream)
• Change opacity to 100 for next event in line (if not currently streaming)
• Add Google Analytics (and cookie notice)