Update engine.js
Update engine.js

Auto load lang menu from config file
purplemilk/adarkroom,acutesoftware/adarkroom,marty13612/darkroom,doublespeakgames/adr-desktop,doublespeakgames/adarkroom,Razynoir/adarkroom,snazzysanoj/snazzysanoj.github.io,snazzysano/snazzysano.github.io,fsladkey/adarkroom,Bleyddyn/adarkroom,doublespeakgames/adarkroom,tehp/adarkroom,sbakht/adarkroom,ngosang/adarkroom,akfish/adarkroom,JamesKent/adarkroom,crafteverywhere/adarkroom,bdorer/adarkroom,gerred/adarkroom,crafteverywhere/adarkroom,as02700/adarkroom,DDReaper/adarkroom,snazzysano/snazzysano.github.io,Tedko/adarkroom,snazzysano/adarkroom,Pioneer11X/adarkroom,fsladkey/adarkroom,tehp/adarkroom,kaisyu/adarkroom,pablo-new17/adarkroom,marty13612/darkroom,kaisyu/adarkroom,Bleyddyn/adarkroom,DDReaper/adarkroom,bdorer/adarkroom,homeofmatt/play_adarkroom,acutesoftware/adarkroom,kaisyu/adarkroom,Continuities/adarkroom,purplemilk/adarkroom,pandaofpie/adarkroom,JamesKent/adarkroom,snazzysano/adarkroom,Pioneer11X/adarkroom,ChapmanCPSC370/adarkroom,Tedko/adarkroom,ikoan/adarkroom,snazzysanoj/snazzysanoj.github.io,snazzysanoj/snazzysanoj.github.io,ngosang/adarkroom,gerred/adarkroom,asteri0n/adarkroom,sbakht/adarkroom,Continuities/adarkroom,asteri0n/adarkroom,Razynoir/adarkroom,as02700/adarkroom,doublespeakgames/adarkroom,pablo-new17/adarkroom,ikoan/adarkroom