Docs: Improve `OrbitControls` page. (#26404)

docs/examples/en/controls/OrbitControls.html

@@ -273,7 +273,10 @@ controls.touches = {
 			Speed of zooming / dollying. Default is 1.
 		</p>
 
-
+		<h3>[property:Boolean zoomToCursor]</h3>
+		<p>
+		Setting this property to `true` allows to zoom to the cursor's position. Default is `false`.
+		</p>
 
 		<h2>Methods</h2>
 

docs/examples/ko/controls/OrbitControls.html

@@ -269,7 +269,10 @@ controls.touches = {
 			줌잉(Zooming)과 달링(Dollying)의 속도를 설정합니다. 기본값은 1 입니다.
 		</p>
 
-
+		<h3>[property:Boolean zoomToCursor]</h3>
+		<p>
+		Setting this property to `true` allows to zoom to the cursor's position. Default is `false`.
+		</p>
 
 		<h2>메서드</h2>
 

docs/examples/zh/controls/OrbitControls.html

@@ -272,7 +272,10 @@ controls.touches = {
 			摄像机缩放的速度，其默认值为1。
 		</p>
 
-
+		<h3>[property:Boolean zoomToCursor]</h3>
+		<p>
+		Setting this property to `true` allows to zoom to the cursor's position. Default is `false`.
+		</p>
 
 		<h2>Methods</h2>