Python: Added QT sample app (PySide6)

samples/PythonQt/build.bat

@@ -0,0 +1,36 @@
+@echo off
+setlocal enabledelayedexpansion
+
+if "%~1"=="" (
+    echo Version number is required.
+    echo Usage: build.bat [version] [extra_args...]
+    exit /b 1
+)
+
+cd %~dp0
+
+echo.
+echo Installing dependencies
+uv sync --reinstall-package velopack
+if errorlevel 1 exit /b 1
+
+echo update_url = R"%~dp0releases" > _build_config.py
+
+echo.
+echo Building Python application
+uv run pyinstaller --onedir --windowed --noconfirm main.py
+if errorlevel 1 exit /b 1
+
+echo.
+echo Building Velopack Release v%~1
+mkdir publish 2>nul
+xcopy /E /I /Y dist\main\* publish\ >nul
+vpk pack --packId VelopackPythonPySide6App --mainExe main.exe -o releases --packDir publish --packVersion %*
+if errorlevel 1 exit /b 1
+
+echo.
+echo Cleaning up
+rmdir /S /Q build 2>nul
+rmdir /S /Q dist 2>nul
+rmdir /S /Q publish 2>nul
+del /Q main.spec 2>nul