Merge master

package.json

src/assets/hud/avatar.jpg

src/assets/hud/muted.png

src/assets/hud/unmuted.png

src/assets/stylesheets/ui-root.scss

src/components/2d-mute-state-indicator.css

src/components/2d-mute-state-indicator.js

src/components/character-controller.js

src/components/in-world-hud.js

src/components/wasd-to-analog2d.js

src/hub.html

src/hub.js

src/input-mappings.js

src/react-components/2d-hud.css

src/react-components/2d-hud.js

src/react-components/ui-root.js

src/systems/app-mode.js

yarn.lock