Update generate_docs.ps1

- added has example column to TOC

Author: tcartwright

.github/workflows/generate_docs.ps1

@@ -197,11 +197,11 @@ function New-TableOfContents {
         [void]$StringBuilder.AppendLine("## $($category.Name)$spaces")
         [void]$StringBuilder.AppendLine("$spaces")
 
-        [void]$StringBuilder.AppendLine("| Rule Id | Friendly Name | Ignorable | Description |")
+        [void]$StringBuilder.AppendLine("| Rule Id | Friendly Name | Ignorable | Description | Example? |")
         [void]$StringBuilder.AppendLine("|----|----|----|----|")
         foreach ($rule in ($category.Group | Sort-Object -Property RuleId )) {
             $ruleId = "[$($Rule.RuleId)]($($category.Name)/$($Rule.RuleId).md)"
-            [void]$StringBuilder.AppendLine("| $ruleId | $($Rule.FriendlyName -replace "\|", "|") | $($Rule.IsIgnorable) | $($Rule.Description -replace "\|", "|") |")
+            [void]$StringBuilder.AppendLine("| $ruleId | $($Rule.FriendlyName -replace "\|", "|") | $($Rule.IsIgnorable) | $($Rule.Description -replace "\|", "|") | $(if ([string]::IsNullOrWhiteSpace($Rule.Example)) { "-" } else { "Yes" }) |")
         }
     }