添加halloween主题，包括一个bgm，一个按钮主题，主菜单打雷特效，带蜘蛛网的标题和一个南瓜

close #757

parts/language/lang_en.lua

@@ -1062,5 +1062,6 @@ return{
         {C.R,"LrL ",C.G,"RlR ",C.B,"LLr ",C.O,"RRl ",C.P,"RRR ",C.P,"LLL ",C.C,"FFF ",C.Y,"RfR ",C.Y,"RRf ",C.Y,"rFF"},
         {C.Y,"O-Spin Triple!"},
         {C.Z,"What? ",C.lC,"Xspin?"},
-    }
+    },
+    pumpkin="I'm a pumpkin",
 }

parts/language/lang_es.lua

@@ -921,4 +921,5 @@ return{
         ['custom_clear']=   {"Personalizado",           "Normal"},
         ['custom_puzzle']=  {"Personalizado",           "Puzzle"},
     },
+    -- pumpkin="I'm a pumpkin",
 }

parts/language/lang_fr.lua

@@ -883,4 +883,5 @@ return{
         ['custom_clear']=  {"Perso.",        "NORMAL"},
         ['custom_puzzle']= {"Perso.",        "PUZZLE"},
     },
+    -- pumpkin="I'm a pumpkin",
 }

parts/language/lang_id.lua

@@ -1051,5 +1051,6 @@ return{
         {C.R,"LrL ",C.G,"RlR ",C.B,"LLr ",C.O,"RRl ",C.P,"RRR ",C.P,"LLL ",C.C,"FFF ",C.Y,"RfR ",C.Y,"RRf ",C.Y,"rFF"},
         {C.Y,"O-Spin Triple!"},
         {C.Z,"Apa? ",C.lC,"X-spin?"},
-    }
+    },
+    -- pumpkin="I'm a pumpkin",
 }

parts/language/lang_ja.lua

@@ -1060,4 +1060,5 @@ getTip={refuseCopy=true,
         {C.Y,"O-Spin Triple!"},
         {C.Z,"なんだって? ",C.lC,"X-Spin?"},
     }
+    -- pumpkin="I'm a pumpkin",
 }

parts/language/lang_pt.lua

@@ -1028,5 +1028,6 @@ return{
         {C.Y,"暫定段位:MO"},
         {C.Y,"暫定段位:MV"},
         {C.Y,"O-spin Triple!"},
-    }
+    },
+    -- pumpkin="I'm a pumpkin",
 }

parts/language/lang_zh.lua

@@ -1358,5 +1358,6 @@ return{
         {C.R,"上班时间不许摸鱼打块！"},
         {C.R,"上课时间不许摸鱼打块！"},
         {C.W,"uid:225238922"},
-    }
+    },
+    pumpkin="我是南瓜",
 }

parts/language/lang_zh_trad.lua

@@ -931,4 +931,5 @@ return{
         ['custom_clear']=   {"自定義",       "普通"},
         ['custom_puzzle']=  {"自定義",       "拼圖"},
     },
+    pumpkin="我是南瓜",
 }