ALVR v20.11.0

Changes

• Add Multimodal input for Quest (by @zarik5 #2367)
  • You can use one free hand plus one controller in-hand at the same time.
  • Hand skeleton will be tracked when holding the controllers. If selecting Index controllers emulation you can get an experience very close to the real Valve controllers.
  • This can be enabled under the Controllers section. It can't be enabled together with body tracking.
• Add flatpak launcher (by @failboat78 #2207)
• Fix launcher installation popup (by @zarik5 #2356)
• Fix high CPU usage on Linux (by @The-personified-devil #2372 #2375)
• Fix Linux/Nvenc error popups (by @failboat78 #2338)
• Add debug groups (by @zarik5 #2332)
• Rework logging (by @zarik5 #2351)
• Show body skeleton in lobby (by @zarik5 #2366)
• Fix stream being half width resolution (by @zarik5 #2378)
• Fix black screen on Focus 3 (by @zarik5 #2346)
• Fix crash on invalid haptics (by @zarik5 #2355)
• Disable "Adapt to framerate" by default (by @zarik5)