自定义游戏高级设置加入新增功能，最高场地高度机制微调，增加可视化

parts/language/lang_symbol.lua

@@ -294,19 +294,23 @@ return{
 			holdCount="[ ]",
 			infHold="∞*[ ]",
 			phyHold="P-[ ]",
-			bone="[]",
 
 			fieldH="↑[]↓",
-			ospin="O→Any",
-			deepDrop="\\↓↓/",
 			visible="?=",
 			freshLimit="@",
-			easyFresh="↓_↓_↓_",
-			fineKill="12 XX 21",
-			b2bKill="_1 XX",
 			opponent="^_^",
 			life="<R>",
 			pushSpeed="_↑_↑_",
+
+			bufferLimit="^↑",
+			heightLimit="#↑",
+			initSkip="X→→",
+			ospin="O→Any",
+			fineKill="12 XX 21",
+			b2bKill="_1 XX",
+			easyFresh="↓_↓_↓_",
+			deepDrop="\\↓↓/",
+			bone="[]",
 		},
 		custom_field={
 			title="!@#$%^&*",