add Update History

- add Computername into DataGrid (if needed)
- add toggle for Update History
- add Update History interface
- add Update Interface Toggle Logic
- add Update scan logic
- initialize Update selected / all logic
- center specific datagrid columns

functions/public/Invoke-WPFUpdateMGMGT.ps1

@@ -0,0 +1,13 @@
+function Invoke-WPFUpdateMGMT {
+    param (
+        [switch]$Selected,
+        [switch]$All
+    )
+
+    if ($Selected) {
+        write-host "Installing selected updates"
+    } elseif ($All) {
+        Write-Host "Installing all available updates"
+    }
+
+}