Updated UpdateTranslations.ps1

Changes:
+ Added lrelease command.
+ Removed .bat file
+ Added a simple tutorial .txt (i'm not good at Markdown if i can't look at the code without color or preview)

ScreenPlay/HowToUpdateTranslations.txt

@@ -0,0 +1,3 @@
+Set your PowerShell execution policy using: Set-ExecutionPolicy Bypass (Run in Administrator)
+To get your current Execution Policy use: Get-ExecutionPolicy
+After that execute ./UpdateTranslations.ps1 in PowerShell and follow the tutorial.

ScreenPlay/UpdateTranslations.bat

@@ -1,3 +0,0 @@
-@echo off
-powershell -executionpolicy bypass -File UpdateTranslations.ps1
-exit

ScreenPlay/UpdateTranslations.ps1

@@ -2,24 +2,31 @@ echo "Updating translations..."
 $MSVCPATH = Read-Host 'Type your ABSOLUTE Qt "bin" directory (ex: F:\Qt\5.15.1\msvc2019_64\bin)'
 echo "Begin update translations..."
 $files = Get-ChildItem ".\translations"
-foreach ($f in $files){
-    echo "Processing $f"
+Function Execute-Command ($commandTitle, $commandPath, $commandArguments, $commandWorkDir)
+{
+    $resolvedWorkDir = Resolve-Path -Path $commandWorkDir
     $pinfo = New-Object System.Diagnostics.ProcessStartInfo
-    $pinfo.FileName = "$MSVCPATH/lupdate.exe"
+    $pinfo.FileName = $commandPath
     $pinfo.RedirectStandardError = $true
     $pinfo.RedirectStandardOutput = $true
     $pinfo.UseShellExecute = $false
-    $pinfo.Arguments = "-extensions qml ..\qml -ts $f"
-    $pinfo.WorkingDirectory = ".\translations"
+    $pinfo.WorkingDirectory = $resolvedWorkDir
+    $pinfo.Arguments = $commandArguments
     $p = New-Object System.Diagnostics.Process
     $p.StartInfo = $pinfo
     $p.Start() | Out-Null
     $p.WaitForExit()
-    $stdout = $p.StandardOutput.ReadToEnd()
-    $stderr = $p.StandardError.ReadToEnd()
-    Write-Host "$stdout"
-    Write-Host "$stderr"
-    Write-Host "Exit code:" + $p.ExitCode
+    [pscustomobject]@{
+        stdout = $p.StandardOutput.ReadToEnd()
+        stderr = $p.StandardError.ReadToEnd()
+        ExitCode = $p.ExitCode
+    }
+}
+foreach ($f in $files){
+    echo "Processing $f (1/2)"
+    Execute-Command -commandTitle "Process translation file: $f" -commandPath "$MSVCPATH\lupdate.exe" -commandArguments "-extensions qml ..\qml -ts $f" -commandWorkDir "translations"
+    echo "Processing $f (2/2)"
+    Execute-Command -commandTitle "Process translation file: $f" -commandPath "$MSVCPATH\lrelease.exe" -commandArguments "$f" -commandWorkDir "translations"
     echo "Done"
 }
 echo "Updated translations."