add verbose version info

scripts/build.ps1

@@ -124,6 +124,7 @@ if($Compile) {
     if ($LastExitCode -ne 0) {
         throw "msbuild failed to build the executable."
     }
+    else Write-Verbose "successfully built Cmder $Version!"
     Pop-Location
 } else {
     Write-Warning "You are not building a launcher, Use -Compile"