整理代码，return后面跟空格

parts/modes/netBattle.lua

@@ -6,7 +6,7 @@ local function marginTask(P)
     while true do yield() if S.frame>180*60 then P.strength=3;P:setFrameColor(3)break end end
     while true do yield() if S.frame>260*60 then P.strength=4;P:setFrameColor(4)break end end
 end
-return{
+return {
     env={
         bg={'bg1','bg2','blockhole','blockfall','blockrain','blockspace','cubes','fan','flink','glow','matrix','rainbow','rainbow2','tunnel'},
         bgm={'battle','beat5th','cruelty','distortion','echo','far','final','here','hope','memory','moonbeam','push','rectification','secret7th remix','secret7th','secret8th remix','secret8th','shift','shining terminal','storm','super7th','there','truth','vapor','waterfall'},