Add Howler dependency for sound management
Add sounds for shooting and selecting units
Merge branch 'add-3d-sound' into midterm-demo
Hide single player button since single player doesn't work, tweak user prompts, remove game join message
increase font size
change ui text color to azure
msg on list game dialogue
temporary fix of single mode
temporary fix of single mode
keep game going if a player leave
fix join room
merge
Merge branch 'rejoingame' into level-editor-integration
merge level editor