Add PowerShell scripts for Windows auto-update

auto_run.ps1

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+$root = Split-Path -Parent $MyInvocation.MyCommand.Path
+Set-Location $root
+
+# Verificar Python
+$python = (Get-Command python -ErrorAction SilentlyContinue)
+if (-not $python) {
+    Write-Host "Descargando Python 3.12..."
+    $url = "https://www.python.org/ftp/python/3.12.9/python-3.12.9-amd64.exe"
+    $dest = "$env:TEMP\python-installer.exe"
+    Invoke-WebRequest -Uri $url -OutFile $dest
+    Write-Host "Instalando Python..."
+    Start-Process -Wait -FilePath $dest -ArgumentList "/quiet InstallAllUsers=0 PrependPath=1 Include_test=0"
+    Write-Host "Python instalado. Cerra y abri PowerShell de nuevo."
+    Read-Host "Presiona Enter para salir"
+    exit
+}
+
+# Pull
+Write-Host "Pull inicial..."
+git pull
+python -m pip install -q -r requirements.txt
+
+Write-Host "`n=========================================="
+Write-Host " Servidor: http://localhost:8080"
+Write-Host " Auto-update cada 60 segundos"
+Write-Host " Cerra esta ventana para detener"
+Write-Host "==========================================`n"
+
+python auto_update.py

run.ps1

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+Set-Location $PSScriptRoot
+
+$python = Get-Command python -ErrorAction SilentlyContinue
+if (-not $python) {
+    Write-Host "Descargando Python 3.12..."
+    Invoke-WebRequest -Uri "https://www.python.org/ftp/python/3.12.9/python-3.12.9-amd64.exe" -OutFile "$env:TEMP\python-installer.exe"
+    Write-Host "Instalando Python..."
+    Start-Process -Wait -FilePath "$env:TEMP\python-installer.exe" -ArgumentList "/quiet InstallAllUsers=0 PrependPath=1 Include_test=0"
+    Write-Host "Python instalado. Cerrá y abrí PowerShell de nuevo, o ejecutá este script otra vez."
+    Read-Host "Enter para salir"
+    exit
+}
+
+Write-Host "Pull inicial..."
+git pull
+python -m pip install -q -r requirements.txt
+
+Write-Host "`n=========================================="
+Write-Host " Servidor: http://localhost:8080"
+Write-Host " Auto-update cada 60 segundos"
+Write-Host "=========================================="
+
+python auto_update.py