[Tool] Script to build an installer locally (#39017)

* add script to build a installer

* minor fix

* fix search path for msix file

* fix sign

* fix sign

* fix spelling

* Fix powershell5 can't recognize emoji

* ensure-wix

* bring cmdpal available during local build

* remove early quit

* fix marco

* add logger

* doc

* add a note

* self review

* fix macro def

* add functionality to export cert so that other machine can install it.

* spelling

installer/PowerToysSetup/Product.wxs

@@ -79,10 +79,7 @@
       <ComponentGroupRef Id="ToolComponentGroup" />
       <ComponentGroupRef Id="MonacoSRCHeatGenerated" />
       <ComponentGroupRef Id="WorkspacesComponentGroup" />
-
-      <?if $(var.CIBuild) = "true" ?>
-        <ComponentGroupRef Id="CmdPalComponentGroup" />
-      <?endif?>
+      <ComponentGroupRef Id="CmdPalComponentGroup" />
     </Feature>
 
     <SetProperty Id="ARPINSTALLLOCATION" Value="[INSTALLFOLDER]" After="CostFinalize" />