Add Documentation for New PSReadLine Option ViClipboardMode

Author: Ryan West

reference/7.4/PSReadLine/Get-PSReadLineOption.md

@@ -56,6 +56,7 @@ CompletionQueryItems                   : 100
 MaximumKillRingCount                   : 10
 ShowToolTips                           : True
 ViModeIndicator                        : None
+ViClipboardMode                        : ViRegister
 WordDelimiters                         : ;:,.[]{}()/\|^&*-=+'"---
 AnsiEscapeTimeout                      : 100
 CommandColor                           : "`e[93m"

reference/7.4/PSReadLine/Set-PSReadLineOption.md

@@ -24,8 +24,9 @@ Set-PSReadLineOption [-EditMode <EditMode>] [-ContinuationPrompt <String>] [-His
  [-BellStyle <BellStyle>] [-CompletionQueryItems <Int32>] [-WordDelimiters <String>]
  [-HistorySearchCaseSensitive] [-HistorySaveStyle <HistorySaveStyle>] [-HistorySavePath <String>]
  [-AnsiEscapeTimeout <Int32>] [-PromptText <String[]>] [-ViModeIndicator <ViModeStyle>]
- [-ViModeChangeHandler <ScriptBlock>] [-PredictionSource <PredictionSource>]
- [-PredictionViewStyle <PredictionViewStyle>] [-Colors <Hashtable>] [<CommonParameters>]
+ [-ViModeChangeHandler <ScriptBlock>]  [-ViClipboardMode <ViClipboardMode>] 
+ [-PredictionSource <PredictionSource>] [-PredictionViewStyle <PredictionViewStyle>] 
+ [-Colors <Hashtable>] [<CommonParameters>]
 ```
 
 ## DESCRIPTION
@@ -748,6 +749,29 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -ViClipboardMode
+
+This option determines whether the local clipboard or system clipboard is used for copy and paste
+operations while in the **Vi Edit Mode**.
+
+The valid values are as follows:
+- **ViRegister**: The default value. Copy and paste with **Vi** keys is isolated to the current prompt. 
+  Using **Vi** keys, text cannot be copied and pasted between windows, panes, or external applications.
+- **SystemClipboard**: Copy and paste with **Vi** keys uses the system clipboard. Using **Vi** keys, 
+  text can be copied and pasted between windows, panes, and external applications.
+
+```yaml
+Type: Microsoft.PowerShell.ViClipboardMode
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -ViModeChangeHandler
 
 When the **ViModeIndicator** is set to `Script`, the script block provided will be invoked every