Update to build system so people can build in release mode without needing signing

TwitchDesktopNotifications/sign.ps1

@@ -72,9 +72,14 @@ $appArgs = 'sign',
 $appArgs = $appArgs + $files;
 
 #run the signtool
-signtool $appArgs;
+#signtool $appArgs;
 
 # once files are signed package into zip
 Get-ChildItem './' | where { $_.Name -notin 'sign.ps1'} | Compress-Archive -DestinationPath 'Twitchy.zip' -Update
 
-iscc ../../../../setup.iss
+$setupArgs = 
+	'/pu+',
+	'/DSourceDir=TwitchDesktopNotifications\bin\x64\ReleaseSign\net6.0-windows10.0.17763.0\',
+	'../../../../../setup.iss';
+iscc $setupArgs
+Exit $LASTEXITCODE