Language: Add String truncate

Modules.Language/StringEx.vb

@@ -1,6 +1,12 @@
 Imports System.Runtime.CompilerServices
 
 Public Module StringEx
+    ''' <summary>
+    ''' Truncates a string to the specified length if it exceeds that length.
+    ''' </summary>
+    ''' <param name="pString">The string</param>
+    ''' <param name="pLength">The maximum string length</param>
+    ''' <returns>The truncated string</returns>
     <Extension()>
     Public Function Truncate(pString As String, pLength As Integer) As String
         If String.IsNullOrEmpty(pString) Then Return pString