ALVR v20.5.0

Changes

• Support eye tracking for Pico 4 Pro (by @zarik5 @Meister1593 #1897)
  • Face tracking (and eye lid tracking) is still not supported
  • The VRCFT module will be supported soon
• Add notification tips (by @zarik5 #1865)
• Install audio dependencies from the setup wizard (by @Meister1593 #1893, @zarik5)
• Other dashboard updates
• Significantly reduce latency with NVENC on Linux (by @nowrep @Xaphiosis #1911)
• Fix dynamic bitrate for VAAPI (by @nowrep #1863)
• Fix Vulkan layer GPU loading (by @nairaner #1847)
• Fix battery update during streaming (by @zarik5)
• Fix playspace recentering delay (by @zarik5)
• Fix hand tracking for Lynx R1 (by @technobaboo #1874)
• Fix SteamVR hanging when restarting on Linux (by @Vixea @zarik5)
• Add desktop file for Flatpak (by @Vixea #1906)
• Various wiki updates