v1.6.16

What's new

• Map tab — Leaflet dark map with circles/heatmap toggle, period & user filters, server buttons in header
• Stats → Users subtab — Top 3 podium (gold center/larger, silver left, bronze right)
• Transcoding poster — replaces Servers poster; shows top transcoding users
• Header redesign — Nav tabs + subtabs in header single row; server buttons (JF/Plex/Emby) right-aligned
• Activity & Transcoding poster — tag + count badge on same row, right-aligned
• Rules tab — "Under development" placeholder
• Editor — Now Playing label includes Kodi/Emby; Tracearr renamed to Streaming Statistics