Adding PSModuleInfo.Tip(s)/Trick(s) (Fixes #119, Fixes #120)

Types/PSModuleInfo/Alias.psd1

@@ -4,4 +4,7 @@
     Videos = 'Video'
     Demos = 'Demo'
     Tests = 'Test'
+    Tips = 'Tip'
+    Trick = 'Tip'
+    Tricks = 'Tip'
 }

Types/PSModuleInfo/get_Tip.ps1

@@ -0,0 +1,31 @@
+<#
+.SYNOPSIS
+    Get's a module's tips
+.DESCRIPTION
+    Gets tips and tricks from a module.
+
+    Any module can contain `*.tip(s)` or `*.trick(s)` files, of the extensions:
+
+    * .md
+    * .txt
+    * .ps1
+    * .psd1
+    * .json
+    * .clixml
+
+    The collection of tips can be accessed in a Module's .Tip(s) or .Trick(s) properties
+    
+#>
+if (-not $this.'.Tip') {
+    $tipCollection =
+        [PSCustomObject][Ordered]@{
+            PSTypeName  = 'Posh.ExtensionCollection'
+            Module      = $posh
+            Path        = $this.Path | Split-Path
+            CommandType = 'Posh.Tip.Command'
+        }
+
+    $tipCollection.pstypenames.insert(0,'Posh.Tip.Collection')
+    $this | Add-Member NoteProperty '.Tip' $tipCollection -Force
+}
+$this.'.Tip'