docs: update

Author: jcs090218

docs/ScriptReference/Util/JCS_Random.md

@@ -13,3 +13,4 @@ Random library class.
 | ChooseOneE    | Choose one object from the list. (Ellipsis) |
 | EnumValue     | Return a random enum value.                 |
 | PointInBounds | Return a random point in bounds.            |
+| PointInSphere | Return a random position in sphere.         |

docs/ScriptReference/Util/JCS_Time.md

@@ -4,7 +4,8 @@ Provides an interface to get time information from Unity.
 
 ## Functions
 
-| Name   | Description                            |
-|:-------|:---------------------------------------|
-| ItTime | Get the time by type.                  |
-| Format | Return the time similar to skill time. |
+| Name          | Description                                  |
+|:--------------|:---------------------------------------------|
+| ItTime        | Return the time by type.                     |
+| FormatLargest | Return the time largest unit time.           |
+| FormatFull    | Return the time string in full colon format. |