feat: Steps can include optional message footer

Author: steveblackduck

guided-setup.psd1

@@ -12,7 +12,7 @@
 RootModule = 'guided-setup'
 
 # Version number of this module.
-ModuleVersion = '1.17.0'
+ModuleVersion = '1.18.0'
 
 # Supported PSEditions
 CompatiblePSEditions = @('Core')

guided-setup.psm1

@@ -908,6 +908,12 @@ class GuidedSetupStep : GraphVertex {
 
 		Write-HostSection $this.title ($this.GetMessage())
 
+		$footer = $this.GetMessageFooter()
+		if ("" -ne $footer) {
+			Write-Host $footer
+			Write-Host
+		}
+
 		while ($true) {
 			$question = $this.MakeQuestion($this.prompt)
 			$question.Prompt()
@@ -935,6 +941,10 @@ class GuidedSetupStep : GraphVertex {
 		return $this.message
 	}
 
+	[string]GetMessageFooter() {
+		return ""
+	}
+
 	[void]Reset() {
 
 	}