* feat: only initialize batch renderer if needed & head storage * feat: support webp storage of skin renders if supported (falls back to png if not) * fix: performance improvements with cache loading+saving * fix: mirrored skins + remove cape model for embedded cape * feat: antialiasing * fix: leg jumping & store fbx's for reference * fix: lint issues * fix: lint issues * feat: tweaks to radial spotlight * fix: app nav btn colors