add background music & remove wav files

all tracks are mp3
add replay queues for more sound effects
add more effects
more dialog texts
radio inputs' name can be auto added
update loading text
add more effects
update effects
update point pt
update game sections
[fix] call section quit callback when reloading
remove effect to PLAYER_DYING
add askContinue section
update title text
rearrange sections
remove default respawn
add STORY event SHIELD_HIT
update sections
add spell card yueguang
[fix] bgm_running issue