docs: fix typo in EntityAPI (#238)

Author: Wankeup

docs/apis/GameAPI/Entity.md

@@ -60,7 +60,7 @@ Through this function, generate a new creature at the specified location and get
 
 - Parameters:
     - name : `String`  
-      The namespace name of the creature, such as `minectaft:creeper`
+      The namespace name of the creature, such as `minecraft:creeper`
     - pos : `IntPos `/ `FloatPos`  
       A coordinate object of where the mob is spawned (or use x, y, z, dimid to determine where to spawn).
 - Return value: The generated entity object.

docs/apis/GameAPI/Entity.zh.md

@@ -58,7 +58,7 @@
 
 - 参数：
     - name : `String`  
-      生物的命名空间名称，如 `minectaft:creeper`
+      生物的命名空间名称，如 `minecraft:creeper`
     - pos : `IntPos `/ `FloatPos`  
       生成生物的位置的坐标对象（或者使用x, y, z, dimid来确定生成位置）
 - 返回值：生成的实体对象