adding new files

build_python_win.bat

@@ -0,0 +1,57 @@
+@echo off
+
+echo ===========================================
+echo   Building Python extensions (Windows)
+echo ===========================================
+
+REM Set the Python executable path (edit if needed)
+set PY_EXE=C:\Users\richg\AppData\Local\Programs\Python\Python312\python.exe
+
+REM Ensure Python exists
+if not exist "%PY_EXE%" (
+    echo ERROR: Python 3.12 executable not found:
+    echo   %PY_EXE%
+    echo Please install Python 3.12 or update PY_EXE in this script.
+    exit /b 1
+)
+
+REM Create build directory if missing
+if not exist build_python_win (
+    echo Creating build_python_win directory...
+    mkdir build_python_win
+)
+
+cd build_python_win
+
+echo Running CMake configure...
+cmake -G "Visual Studio 17 2022" -A x64 ^
+    -DBUILD_PYTHON=ON ^
+    -DBUILD_WASM=OFF ^
+    -DPYTHON_EXECUTABLE="%PY_EXE%" ^
+    ..
+
+IF ERRORLEVEL 1 (
+    echo.
+    echo *** CMake configure FAILED ***
+    exit /b 1
+)
+
+echo.
+echo CMake configure OK.
+echo Starting build...
+
+cmake --build . --config Release
+
+IF ERRORLEVEL 1 (
+    echo.
+    echo *** Build FAILED ***
+    exit /b 1
+)
+
+echo.
+echo ===========================================
+echo   Build SUCCESSFUL!
+echo   Output in: python/basisu_py/
+echo ===========================================
+
+exit /b 0